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SubjectRe: __alloc_pages: 0-order allocation failed
Just to confirm I'm seeing this also.  I've a machine with 512mb ram and a
gig of swap. Running a filesystem i/o stress test app causes the machine
to pretty much run out of memory. The swap is hardly touched. Then the
VM starts killing things...klogd, the file i/o app, the shell it was in...

I didn't see any significant change here with the patch.

Here's meminfo prior to and towards the end of things for what it's worth:

[root@foobox /root]# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 526299136 66060288 460238848 0 864256 21032960
Swap: 1074765824 4374528 1070391296
MemTotal: 513964 kB
MemFree: 449452 kB
MemShared: 0 kB
Buffers: 844 kB
Cached: 16268 kB
SwapCached: 4272 kB
Active: 5804 kB
Inactive: 15580 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 513964 kB
LowFree: 449452 kB
SwapTotal: 1049576 kB
SwapFree: 1045304 kB

[root@foobox /root]# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 526299136 522604544 3694592 0 1212416 435134464
Swap: 1074765824 3366912 1071398912
MemTotal: 513964 kB
MemFree: 3608 kB
MemShared: 0 kB
Buffers: 1184 kB
Cached: 424784 kB
SwapCached: 152 kB
Active: 356640 kB
Inactive: 69480 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 513964 kB
LowFree: 3608 kB
SwapTotal: 1049576 kB
SwapFree: 1046288 kB
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