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core: always use "infinity" for no upper limit instead of "max" (#3417)

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Recently added cgroup unified hierarchy support uses "max" in configurations
for no upper limit.  While consistent with what the kernel uses for no upper
limit, it is inconsistent with what systemd uses for other controllers such as
memory or pids.  There's no point in introducing another term.  Update cgroup
unified hierarchy support so that "infinity" is the only term that systemd
uses for no upper limit.
This commit is contained in:
Tejun Heo 2016-06-03 08:49:05 -07:00 committed by Lennart Poettering
parent ac9b215d0c
commit e57c9ce169
3 changed files with 6 additions and 6 deletions
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4
man/systemd.resource-control.xml
View File

@ -248,7 +248,7 @@
<para>Takes a memory size in bytes. If the value is suffixed with K, M, G or T, the specified memory size is
parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. If assigned the
special value <literal>max</literal>, no memory limit is applied. This controls the
special value <literal>infinity</literal>, no memory limit is applied. This controls the
<literal>memory.high</literal> control group attribute. For details about this control group attribute, see
<ulink url="https://www.kernel.org/doc/Documentation/cgroup-v2.txt">cgroup-v2.txt</ulink>.</para>
@ -269,7 +269,7 @@
<para>Takes a memory size in bytes. If the value is suffixed with K, M, G or T, the specified memory size is
parsed as Kilobytes, Megabytes, Gigabytes, or Terabytes (with the base 1024), respectively. If assigned the
special value <literal>max</literal>, no memory limit is applied. This controls the
special value <literal>infinity</literal>, no memory limit is applied. This controls the
<literal>memory.max</literal> control group attribute. For details about this control group attribute, see
<ulink url="https://www.kernel.org/doc/Documentation/cgroup-v2.txt">cgroup-v2.txt</ulink>.</para>

4
src/core/load-fragment.c
View File

@ -2811,7 +2811,7 @@ int config_parse_memory_limit(
uint64_t bytes = CGROUP_LIMIT_MAX;
int r;
if (!isempty(rvalue) && !streq(rvalue, "infinity") && !streq(rvalue, "max")) {
if (!isempty(rvalue) && !streq(rvalue, "infinity")) {
r = parse_size(rvalue, 1024, &bytes);
if (r < 0 || bytes < 1) {
log_syntax(unit, LOG_ERR, filename, line, r, "Memory limit '%s' invalid. Ignoring.", rvalue);
@ -3080,7 +3080,7 @@ int config_parse_io_limit(
return 0;
}
if (streq("max", limit)) {
if (streq("infinity", limit)) {
num = CGROUP_LIMIT_MAX;
} else {
r = parse_size(limit, 1000, &num);

4
src/shared/bus-unit-util.c
View File

@ -169,7 +169,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
} else if (STR_IN_SET(field, "MemoryLow", "MemoryHigh", "MemoryMax", "MemoryLimit")) {
uint64_t bytes;
if (isempty(eq) || streq(eq, "max") || streq(eq, "infinity"))
if (isempty(eq) || streq(eq, "infinity"))
bytes = CGROUP_LIMIT_MAX;
else {
r = parse_size(eq, 1024, &bytes);
@ -306,7 +306,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
return -EINVAL;
}
if (streq(bandwidth, "max")) {
if (streq(bandwidth, "infinity")) {
bytes = CGROUP_LIMIT_MAX;
} else {
r = parse_size(bandwidth, 1000, &bytes);