Juergen Gross 1d988ed465 x86/xen: dont add memory above max allowed allocation ... Don't allow memory to be added above the allowed maximum allocation limit set by Xen. Trying to do so would result in cases like the following: [ 584.559652] ------------[ cut here ]------------ [ 584.564897] WARNING: CPU: 2 PID: 1 at ../arch/x86/xen/multicalls.c:129 xen_alloc_pte+0x1c7/0x390() [ 584.575151] Modules linked in: [ 584.578643] Supported: Yes [ 584.581750] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.4.120-92.70-default #1 [ 584.590000] Hardware name: Cisco Systems Inc UCSC-C460-M4/UCSC-C460-M4, BIOS C460M4.4.0.1b.0.0629181419 06/29/2018 [ 584.601862] 0000000000000000 ffffffff813175a0 0000000000000000 ffffffff8184777c [ 584.610200] ffffffff8107f4e1 ffff880487eb7000 ffff8801862b79c0 ffff88048608d290 [ 584.618537] 0000000000487eb7 ffffea0000000201 ffffffff81009de7 ffffffff81068561 [ 584.626876] Call Trace: [ 584.629699] [<ffffffff81019ad9>] dump_trace+0x59/0x340 [ 584.635645] [<ffffffff81019eaa>] show_stack_log_lvl+0xea/0x170 [ 584.642391] [<ffffffff8101ac51>] show_stack+0x21/0x40 [ 584.648238] [<ffffffff813175a0>] dump_stack+0x5c/0x7c [ 584.654085] [<ffffffff8107f4e1>] warn_slowpath_common+0x81/0xb0 [ 584.660932] [<ffffffff81009de7>] xen_alloc_pte+0x1c7/0x390 [ 584.667289] [<ffffffff810647f0>] pmd_populate_kernel.constprop.6+0x40/0x80 [ 584.675241] [<ffffffff815ecfe8>] phys_pmd_init+0x210/0x255 [ 584.681587] [<ffffffff815ed207>] phys_pud_init+0x1da/0x247 [ 584.687931] [<ffffffff815edb3b>] kernel_physical_mapping_init+0xf5/0x1d4 [ 584.695682] [<ffffffff815e9bdd>] init_memory_mapping+0x18d/0x380 [ 584.702631] [<ffffffff81064699>] arch_add_memory+0x59/0xf0 Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>		2019-02-18 06:52:51 +01:00
..
acpi	Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2018-12-26 17:03:51 -08:00
asm-generic	Rename include/{uapi => }/asm-generic/shmparam.h really	2019-02-12 16:33:18 -08:00
clocksource
crypto	crypto: skcipher - remove remnants of internal IV generators	2018-12-23 11:52:45 +08:00
drm	Merge tag 'drm-intel-fixes-2019-01-11' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes	2019-01-11 10:26:21 +01:00
dt-bindings	ARM: SoC fixes for linux-5.0	2019-02-08 16:23:41 -08:00
keys
kvm	KVM: arm/arm64: vgic: Make vgic_cpu->ap_list_lock a raw_spinlock	2019-01-24 15:09:09 +01:00
linux	x86: respect memory size limiting via mem= parameter	2019-02-18 06:50:34 +01:00
math-emu
media	media fixes for v4.20-rc8	2018-12-25 13:11:30 -08:00
memory
misc
net	net: fix possible overflow in __sk_mem_raise_allocated()	2019-02-13 21:05:18 -08:00
pcmcia
ras
rdma	RDMA/device: Expose ib_device_try_get(()	2019-01-21 14:33:08 -07:00
scsi	4.21 merge window pull request	2018-12-28 14:57:10 -08:00
soc	ARM: SoC driver updates	2018-12-31 17:32:35 -08:00
sound	ALSA: compress: Fix stop handling on compressed capture streams	2019-02-05 22:01:41 +01:00
target
trace	afs: Fix race in async call refcounting	2019-01-17 15:17:28 +00:00
uapi	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2019-02-15 08:00:11 -08:00
video
xen	x86/xen: dont add memory above max allowed allocation	2019-02-18 06:52:51 +01:00