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authorVladimir Davydov <vdavydov@virtuozzo.com>2016-03-25 14:20:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-25 16:37:42 -0700
commit29c696e1c6eceb5db6b21f0c89495fcfcd40c0eb (patch)
treefe5a096de3c34d3fef0fcc40dd3fbc03a99599a1 /include
parentoom, oom_reaper: disable oom_reaper for oom_kill_allocating_task (diff)
downloadlinux-dev-29c696e1c6eceb5db6b21f0c89495fcfcd40c0eb.tar.xz
linux-dev-29c696e1c6eceb5db6b21f0c89495fcfcd40c0eb.zip
oom: make oom_reaper_list single linked
Entries are only added/removed from oom_reaper_list at head so we can use a single linked list and hence save a word in task_struct. Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com> Signed-off-by: Michal Hocko <mhocko@suse.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: 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 'include')
-rw-r--r--include/linux/sched.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c2d2d7c5d463..49b1febcf7c3 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1852,7 +1852,7 @@ struct task_struct {
#endif
int pagefault_disabled;
#ifdef CONFIG_MMU
- struct list_head oom_reaper_list;
+ struct task_struct *oom_reaper_list;
#endif
/* CPU-specific state of this task */
struct thread_struct thread;