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authorDaisuke Nishimura <nishimura@mxp.nes.nec.co.jp>2009-01-16 00:51:14 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-16 03:39:39 +0300
commit4d1c627389c8ba6d9e703208567ffcdbd356f682 (patch)
tree535720830c6f547e2d544d1dd02d23bae41da45e /mm/vmalloc.c
parentc268e9946d7dc30ac4e55cdc3f43c8af1ae8153c (diff)
downloadlinux-4d1c627389c8ba6d9e703208567ffcdbd356f682.tar.xz
memcg: make oom less frequently
In previous implementation, mem_cgroup_try_charge checked the return value of mem_cgroup_try_to_free_pages, and just retried if some pages had been reclaimed. But now, try_charge(and mem_cgroup_hierarchical_reclaim called from it) only checks whether the usage is less than the limit. This patch tries to change the behavior as before to cause oom less frequently. Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Pavel Emelyanov <xemul@openvz.org> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
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