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authorRik van Riel <riel@redhat.com>2009-07-29 15:02:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-29 19:10:34 -0700
commit933b787b57ca8bdc0fc8fb2cbf67b5e6d21beb84 (patch)
treeaae84533e71c7574ab8dd6f0ca4b782de121e482 /kernel/kexec.c
parent6583bb64fc370842b32a87c67750c26f6d559af0 (diff)
mm: copy over oom_adj value at fork time
Fix a post-2.6.31 regression which was introduced by 2ff05b2b4eac2e63d345fc731ea151a060247f53 ("oom: move oom_adj value from task_struct to mm_struct"). After moving the oom_adj value from the task struct to the mm_struct, the oom_adj value was no longer properly inherited by child processes. Copying over the oom_adj value at fork time fixes that bug. [kosaki.motohiro@jp.fujitsu.com: test for current->mm before dereferencing it] Signed-off-by: Rik van Riel <riel@redhat.com> Reported-by: Paul Menage <manage@google.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kexec.c')
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