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https://github.com/systemd/systemd.git
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MemoryZSwapMax directive to configure new memory.zswap.max cgroup file
This commit is contained in:
parent
2b0cff0469
commit
d7fe0a6723
@ -2707,6 +2707,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2eservice {
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemorySwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryZSwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryLimit = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly s DevicePolicy = '...';
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@ -3278,6 +3280,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2eservice {
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<!--property MemorySwapMax is not documented!-->
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<!--property MemoryZSwapMax is not documented!-->
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<!--property MemoryLimit is not documented!-->
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<!--property DevicePolicy is not documented!-->
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@ -3858,6 +3862,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2eservice {
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<variablelist class="dbus-property" generated="True" extra-ref="MemorySwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryZSwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryLimit"/>
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<variablelist class="dbus-property" generated="True" extra-ref="DevicePolicy"/>
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@ -4595,6 +4601,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2esocket {
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemorySwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryZSwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryLimit = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly s DevicePolicy = '...';
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@ -5190,6 +5198,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2esocket {
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<!--property MemorySwapMax is not documented!-->
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<!--property MemoryZSwapMax is not documented!-->
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<!--property MemoryLimit is not documented!-->
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<!--property DevicePolicy is not documented!-->
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@ -5764,6 +5774,8 @@ node /org/freedesktop/systemd1/unit/avahi_2ddaemon_2esocket {
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<variablelist class="dbus-property" generated="True" extra-ref="MemorySwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryZSwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryLimit"/>
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<variablelist class="dbus-property" generated="True" extra-ref="DevicePolicy"/>
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@ -6390,6 +6402,8 @@ node /org/freedesktop/systemd1/unit/home_2emount {
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemorySwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryZSwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryLimit = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly s DevicePolicy = '...';
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@ -6913,6 +6927,8 @@ node /org/freedesktop/systemd1/unit/home_2emount {
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<!--property MemorySwapMax is not documented!-->
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<!--property MemoryZSwapMax is not documented!-->
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<!--property MemoryLimit is not documented!-->
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<!--property DevicePolicy is not documented!-->
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@ -7405,6 +7421,8 @@ node /org/freedesktop/systemd1/unit/home_2emount {
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<variablelist class="dbus-property" generated="True" extra-ref="MemorySwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryZSwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryLimit"/>
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<variablelist class="dbus-property" generated="True" extra-ref="DevicePolicy"/>
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@ -8158,6 +8176,8 @@ node /org/freedesktop/systemd1/unit/dev_2dsda3_2eswap {
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemorySwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryZSwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryLimit = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly s DevicePolicy = '...';
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@ -8667,6 +8687,8 @@ node /org/freedesktop/systemd1/unit/dev_2dsda3_2eswap {
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<!--property MemorySwapMax is not documented!-->
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<!--property MemoryZSwapMax is not documented!-->
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<!--property MemoryLimit is not documented!-->
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<!--property DevicePolicy is not documented!-->
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@ -9145,6 +9167,8 @@ node /org/freedesktop/systemd1/unit/dev_2dsda3_2eswap {
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<variablelist class="dbus-property" generated="True" extra-ref="MemorySwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryZSwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryLimit"/>
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<variablelist class="dbus-property" generated="True" extra-ref="DevicePolicy"/>
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@ -9757,6 +9781,8 @@ node /org/freedesktop/systemd1/unit/system_2eslice {
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemorySwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryZSwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryLimit = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly s DevicePolicy = '...';
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@ -9908,6 +9934,8 @@ node /org/freedesktop/systemd1/unit/system_2eslice {
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<!--property MemorySwapMax is not documented!-->
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<!--property MemoryZSwapMax is not documented!-->
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<!--property MemoryLimit is not documented!-->
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<!--property DevicePolicy is not documented!-->
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@ -10066,6 +10094,8 @@ node /org/freedesktop/systemd1/unit/system_2eslice {
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<variablelist class="dbus-property" generated="True" extra-ref="MemorySwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryZSwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryLimit"/>
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<variablelist class="dbus-property" generated="True" extra-ref="DevicePolicy"/>
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@ -10246,6 +10276,8 @@ node /org/freedesktop/systemd1/unit/session_2d1_2escope {
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemorySwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryZSwapMax = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly t MemoryLimit = ...;
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@org.freedesktop.DBus.Property.EmitsChangedSignal("false")
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readonly s DevicePolicy = '...';
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@ -10415,6 +10447,8 @@ node /org/freedesktop/systemd1/unit/session_2d1_2escope {
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<!--property MemorySwapMax is not documented!-->
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<!--property MemoryZSwapMax is not documented!-->
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<!--property MemoryLimit is not documented!-->
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<!--property DevicePolicy is not documented!-->
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@ -10601,6 +10635,8 @@ node /org/freedesktop/systemd1/unit/session_2d1_2escope {
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<variablelist class="dbus-property" generated="True" extra-ref="MemorySwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryZSwapMax"/>
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<variablelist class="dbus-property" generated="True" extra-ref="MemoryLimit"/>
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<variablelist class="dbus-property" generated="True" extra-ref="DevicePolicy"/>
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@ -325,14 +325,15 @@
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<varlistentry>
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<term><varname>MemorySwapMax=<replaceable>bytes</replaceable></varname></term>
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<term><varname>MemoryZSwapMax=<replaceable>bytes</replaceable></varname></term>
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<listitem>
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<para>Specify the absolute limit on swap usage of the executed processes in this unit.</para>
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<para>Specify the absolute limit on (z)swap usage of the executed processes in this unit.</para>
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<para>Takes a swap size in bytes. If the value is suffixed with K, M, G or T, the specified swap size is
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parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. If assigned the
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special value <literal>infinity</literal>, no swap limit is applied. This controls the
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<literal>memory.swap.max</literal> control group attribute. For details about this control group attribute,
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special value <literal>infinity</literal>, no swap limit is applied. These settings control the
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<literal>memory.(z)swap.max</literal> control group attributes. For details about these control group attributes,
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see <ulink url="https://docs.kernel.org/admin-guide/cgroup-v2.html#memory-interface-files">Memory Interface Files</ulink>.</para>
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</listitem>
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</varlistentry>
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@ -151,6 +151,7 @@ void cgroup_context_init(CGroupContext *c) {
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.memory_high = CGROUP_LIMIT_MAX,
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.memory_max = CGROUP_LIMIT_MAX,
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.memory_swap_max = CGROUP_LIMIT_MAX,
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.memory_zswap_max = CGROUP_LIMIT_MAX,
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.memory_limit = CGROUP_LIMIT_MAX,
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@ -354,6 +355,9 @@ static int unit_compare_memory_limit(Unit *u, const char *property_name, uint64_
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} else if (streq(property_name, "MemorySwapMax")) {
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unit_value = c->memory_swap_max;
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file = "memory.swap.max";
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} else if (streq(property_name, "MemoryZSwapMax")) {
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unit_value = c->memory_zswap_max;
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file = "memory.zswap.max";
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} else
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return -EINVAL;
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@ -396,9 +400,10 @@ static char *format_cgroup_memory_limit_comparison(char *buf, size_t l, Unit *u,
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/* memory.swap.max is special in that it relies on CONFIG_MEMCG_SWAP (and the default swapaccount=1).
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* In the absence of reliably being able to detect whether memcg swap support is available or not,
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* only complain if the error is not ENOENT. */
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* only complain if the error is not ENOENT. This is similarly the case for memory.zswap.max relying
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* on CONFIG_ZSWAP. */
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if (r > 0 || IN_SET(r, -ENODATA, -EOWNERDEAD) ||
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(r == -ENOENT && streq(property_name, "MemorySwapMax")))
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(r == -ENOENT && STR_IN_SET(property_name, "MemorySwapMax", "MemoryZSwapMax")))
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buf[0] = 0;
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else if (r < 0) {
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errno = -r;
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@ -462,6 +467,7 @@ void cgroup_context_dump(Unit *u, FILE* f, const char *prefix) {
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"%sMemoryHigh: %" PRIu64 "%s\n"
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"%sMemoryMax: %" PRIu64 "%s\n"
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"%sMemorySwapMax: %" PRIu64 "%s\n"
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"%sMemoryZSwapMax: %" PRIu64 "%s\n"
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"%sMemoryLimit: %" PRIu64 "\n"
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"%sTasksMax: %" PRIu64 "\n"
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"%sDevicePolicy: %s\n"
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@ -498,6 +504,7 @@ void cgroup_context_dump(Unit *u, FILE* f, const char *prefix) {
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prefix, c->memory_high, format_cgroup_memory_limit_comparison(cdc, sizeof(cdc), u, "MemoryHigh"),
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prefix, c->memory_max, format_cgroup_memory_limit_comparison(cdd, sizeof(cdd), u, "MemoryMax"),
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prefix, c->memory_swap_max, format_cgroup_memory_limit_comparison(cde, sizeof(cde), u, "MemorySwapMax"),
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prefix, c->memory_zswap_max, format_cgroup_memory_limit_comparison(cde, sizeof(cde), u, "MemoryZSwapMax"),
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prefix, c->memory_limit,
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prefix, tasks_max_resolve(&c->tasks_max),
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prefix, cgroup_device_policy_to_string(c->device_policy),
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@ -1209,7 +1216,7 @@ static bool unit_has_unified_memory_config(Unit *u) {
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return unit_get_ancestor_memory_min(u) > 0 || unit_get_ancestor_memory_low(u) > 0 ||
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c->memory_high != CGROUP_LIMIT_MAX || c->memory_max != CGROUP_LIMIT_MAX ||
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c->memory_swap_max != CGROUP_LIMIT_MAX;
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c->memory_swap_max != CGROUP_LIMIT_MAX || c->memory_zswap_max != CGROUP_LIMIT_MAX;
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}
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static void cgroup_apply_unified_memory_limit(Unit *u, const char *file, uint64_t v) {
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@ -1569,11 +1576,12 @@ static void cgroup_context_apply(
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if ((apply_mask & CGROUP_MASK_MEMORY) && !is_local_root) {
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if (cg_all_unified() > 0) {
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uint64_t max, swap_max = CGROUP_LIMIT_MAX;
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uint64_t max, swap_max = CGROUP_LIMIT_MAX, zswap_max = CGROUP_LIMIT_MAX;
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if (unit_has_unified_memory_config(u)) {
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max = c->memory_max;
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swap_max = c->memory_swap_max;
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zswap_max = c->memory_zswap_max;
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} else {
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max = c->memory_limit;
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@ -1586,6 +1594,7 @@ static void cgroup_context_apply(
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cgroup_apply_unified_memory_limit(u, "memory.high", c->memory_high);
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cgroup_apply_unified_memory_limit(u, "memory.max", max);
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cgroup_apply_unified_memory_limit(u, "memory.swap.max", swap_max);
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cgroup_apply_unified_memory_limit(u, "memory.zswap.max", zswap_max);
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(void) set_attribute_and_warn(u, "memory", "memory.oom.group", one_zero(c->memory_oom_group));
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@ -149,6 +149,7 @@ struct CGroupContext {
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uint64_t memory_high;
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uint64_t memory_max;
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uint64_t memory_swap_max;
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uint64_t memory_zswap_max;
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bool default_memory_min_set:1;
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bool default_memory_low_set:1;
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@ -468,6 +468,7 @@ const sd_bus_vtable bus_cgroup_vtable[] = {
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SD_BUS_PROPERTY("MemoryHigh", "t", NULL, offsetof(CGroupContext, memory_high), 0),
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SD_BUS_PROPERTY("MemoryMax", "t", NULL, offsetof(CGroupContext, memory_max), 0),
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SD_BUS_PROPERTY("MemorySwapMax", "t", NULL, offsetof(CGroupContext, memory_swap_max), 0),
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SD_BUS_PROPERTY("MemoryZSwapMax", "t", NULL, offsetof(CGroupContext, memory_zswap_max), 0),
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SD_BUS_PROPERTY("MemoryLimit", "t", NULL, offsetof(CGroupContext, memory_limit), 0),
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SD_BUS_PROPERTY("DevicePolicy", "s", property_get_cgroup_device_policy, offsetof(CGroupContext, device_policy), 0),
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SD_BUS_PROPERTY("DeviceAllow", "a(ss)", property_get_device_allow, 0, 0),
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@ -887,6 +888,7 @@ BUS_DEFINE_SET_CGROUP_WEIGHT(blockio_weight, CGROUP_MASK_BLKIO, CGROUP_BLKIO_WEI
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BUS_DEFINE_SET_CGROUP_LIMIT(memory, CGROUP_MASK_MEMORY, physical_memory_scale, 1);
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BUS_DEFINE_SET_CGROUP_LIMIT(memory_protection, CGROUP_MASK_MEMORY, physical_memory_scale, 0);
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BUS_DEFINE_SET_CGROUP_LIMIT(swap, CGROUP_MASK_MEMORY, physical_memory_scale, 0);
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BUS_DEFINE_SET_CGROUP_LIMIT(zswap, CGROUP_MASK_MEMORY, physical_memory_scale, 0);
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REENABLE_WARNING;
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static int bus_cgroup_set_cpu_weight(
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@ -1075,6 +1077,9 @@ int bus_cgroup_set_property(
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if (streq(name, "MemorySwapMax"))
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return bus_cgroup_set_swap(u, name, &c->memory_swap_max, message, flags, error);
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if (streq(name, "MemoryZSwapMax"))
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return bus_cgroup_set_zswap(u, name, &c->memory_zswap_max, message, flags, error);
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if (streq(name, "MemoryMax"))
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return bus_cgroup_set_memory(u, name, &c->memory_max, message, flags, error);
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@ -1115,6 +1120,9 @@ int bus_cgroup_set_property(
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if (streq(name, "MemorySwapMaxScale"))
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return bus_cgroup_set_swap_scale(u, name, &c->memory_swap_max, message, flags, error);
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if (streq(name, "MemoryZSwapMaxScale"))
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return bus_cgroup_set_zswap_scale(u, name, &c->memory_zswap_max, message, flags, error);
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if (streq(name, "MemoryMaxScale"))
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return bus_cgroup_set_memory_scale(u, name, &c->memory_max, message, flags, error);
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@ -205,6 +205,7 @@
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{{type}}.MemoryHigh, config_parse_memory_limit, 0, offsetof({{type}}, cgroup_context)
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{{type}}.MemoryMax, config_parse_memory_limit, 0, offsetof({{type}}, cgroup_context)
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{{type}}.MemorySwapMax, config_parse_memory_limit, 0, offsetof({{type}}, cgroup_context)
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{{type}}.MemoryZSwapMax, config_parse_memory_limit, 0, offsetof({{type}}, cgroup_context)
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{{type}}.MemoryLimit, config_parse_memory_limit, 0, offsetof({{type}}, cgroup_context)
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{{type}}.DeviceAllow, config_parse_device_allow, 0, offsetof({{type}}, cgroup_context)
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{{type}}.DevicePolicy, config_parse_device_policy, 0, offsetof({{type}}, cgroup_context.device_policy)
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@ -3826,7 +3826,7 @@ int config_parse_memory_limit(
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bytes = physical_memory_scale(r, 10000U);
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if (bytes >= UINT64_MAX ||
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(bytes <= 0 && !STR_IN_SET(lvalue, "MemorySwapMax", "MemoryLow", "MemoryMin", "DefaultMemoryLow", "DefaultMemoryMin"))) {
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(bytes <= 0 && !STR_IN_SET(lvalue, "MemorySwapMax", "MemoryZSwapMax", "MemoryLow", "MemoryMin", "DefaultMemoryLow", "DefaultMemoryMin"))) {
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log_syntax(unit, LOG_WARNING, filename, line, 0, "Memory limit '%s' out of range, ignoring.", rvalue);
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return 0;
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}
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@ -3850,6 +3850,8 @@ int config_parse_memory_limit(
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c->memory_max = bytes;
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else if (streq(lvalue, "MemorySwapMax"))
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c->memory_swap_max = bytes;
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else if (streq(lvalue, "MemoryZSwapMax"))
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c->memory_zswap_max = bytes;
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else if (streq(lvalue, "MemoryLimit")) {
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log_syntax(unit, LOG_WARNING, filename, line, 0,
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"Unit uses MemoryLimit=; please use MemoryMax= instead. Support for MemoryLimit= will be removed soon.");
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@ -162,7 +162,7 @@ static int bus_print_property(const char *name, const char *expected_value, sd_b
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bus_print_property_value(name, expected_value, flags, "[not set]");
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else if ((STR_IN_SET(name, "DefaultMemoryLow", "DefaultMemoryMin", "MemoryLow", "MemoryHigh", "MemoryMax", "MemorySwapMax", "MemoryLimit", "MemoryAvailable") && u == CGROUP_LIMIT_MAX) ||
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else if ((STR_IN_SET(name, "DefaultMemoryLow", "DefaultMemoryMin", "MemoryLow", "MemoryHigh", "MemoryMax", "MemorySwapMax", "MemoryZSwapMax", "MemoryLimit", "MemoryAvailable") && u == CGROUP_LIMIT_MAX) ||
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(STR_IN_SET(name, "TasksMax", "DefaultTasksMax") && u == UINT64_MAX) ||
|
||||
(startswith(name, "Limit") && u == UINT64_MAX) ||
|
||||
(startswith(name, "DefaultLimit") && u == UINT64_MAX))
|
||||
|
@ -523,6 +523,7 @@ static int bus_append_cgroup_property(sd_bus_message *m, const char *field, cons
|
||||
"MemoryHigh",
|
||||
"MemoryMax",
|
||||
"MemorySwapMax",
|
||||
"MemoryZSwapMax",
|
||||
"MemoryLimit",
|
||||
"TasksMax")) {
|
||||
|
||||
|
@ -250,6 +250,7 @@ typedef struct UnitStatusInfo {
|
||||
uint64_t memory_high;
|
||||
uint64_t memory_max;
|
||||
uint64_t memory_swap_max;
|
||||
uint64_t memory_zswap_max;
|
||||
uint64_t memory_limit;
|
||||
uint64_t memory_available;
|
||||
uint64_t cpu_usage_nsec;
|
||||
@ -700,6 +701,7 @@ static void print_status_info(
|
||||
if (i->memory_min > 0 || i->memory_low > 0 ||
|
||||
i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX ||
|
||||
i->memory_swap_max != CGROUP_LIMIT_MAX ||
|
||||
i->memory_zswap_max != CGROUP_LIMIT_MAX ||
|
||||
i->memory_available != CGROUP_LIMIT_MAX ||
|
||||
i->memory_limit != CGROUP_LIMIT_MAX) {
|
||||
const char *prefix = "";
|
||||
@ -725,6 +727,10 @@ static void print_status_info(
|
||||
printf("%sswap max: %s", prefix, FORMAT_BYTES(i->memory_swap_max));
|
||||
prefix = " ";
|
||||
}
|
||||
if (i->memory_zswap_max != CGROUP_LIMIT_MAX) {
|
||||
printf("%szswap max: %s", prefix, FORMAT_BYTES(i->memory_zswap_max));
|
||||
prefix = " ";
|
||||
}
|
||||
if (i->memory_limit != CGROUP_LIMIT_MAX) {
|
||||
printf("%slimit: %s", prefix, FORMAT_BYTES(i->memory_limit));
|
||||
prefix = " ";
|
||||
@ -1935,6 +1941,7 @@ static int show_one(
|
||||
{ "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) },
|
||||
{ "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) },
|
||||
{ "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) },
|
||||
{ "MemoryZSwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_zswap_max) },
|
||||
{ "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) },
|
||||
{ "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) },
|
||||
{ "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) },
|
||||
@ -1969,6 +1976,7 @@ static int show_one(
|
||||
.memory_high = CGROUP_LIMIT_MAX,
|
||||
.memory_max = CGROUP_LIMIT_MAX,
|
||||
.memory_swap_max = CGROUP_LIMIT_MAX,
|
||||
.memory_zswap_max = CGROUP_LIMIT_MAX,
|
||||
.memory_limit = UINT64_MAX,
|
||||
.memory_available = CGROUP_LIMIT_MAX,
|
||||
.cpu_usage_nsec = UINT64_MAX,
|
||||
|
@ -160,6 +160,7 @@ MemoryLimit=
|
||||
MemoryLow=
|
||||
MemoryMax=
|
||||
MemorySwapMax=
|
||||
MemoryZSwapMax=
|
||||
MessageQueueMaxMessages=
|
||||
MessageQueueMessageSize=
|
||||
MountAPIVFS=
|
||||
|
Loading…
Reference in New Issue
Block a user