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| author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2009-02-11 13:04:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-11 14:25:35 -0800 |
| commit | 2e9c23724328ae4e56c42a35a717a956d7d3001d (patch) | |
| tree | e96657542d354cef4d50020b48ab565053810d5d /Documentation/kernel-doc-nano-HOWTO.txt | |
| parent | d4097456cd1d9285e876fc5d08a789462804cc28 (diff) | |
memcg: use __GFP_NOWARN in page cgroup allocation
page_cgroup's page allocation at init/memory hotplug uses kmalloc() and
vmalloc(). If kmalloc() failes, vmalloc() is used.
This is because vmalloc() is very limited resource on 32bit systems.
We want to use kmalloc() first.
But in this kind of call, __GFP_NOWARN should be specified.
Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/kernel-doc-nano-HOWTO.txt')
0 files changed, 0 insertions, 0 deletions