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authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>2016-10-08 02:58:45 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-08 04:46:27 +0300
commit7ebffa45551fe7db86a2b32bf586f124ef484e6e (patch)
tree2c58c3c7ef2d09ad69067b57488e3ef232e2914c /.cocciconfig
parent6b53491598a4d9694318e6e2b11d8c9988a483d4 (diff)
downloadlinux-7ebffa45551fe7db86a2b32bf586f124ef484e6e.tar.xz
mm,oom_reaper: reduce find_lock_task_mm() usage
Patch series "fortify oom killer even more", v2. This patch (of 9): __oom_reap_task() can be simplified a bit if it receives a valid mm from oom_reap_task() which also uses that mm when __oom_reap_task() failed. We can drop one find_lock_task_mm() call and also make the __oom_reap_task() code flow easier to follow. Moreover, this will make later patch in the series easier to review. Pinning mm's mm_count for longer time is not really harmful because this will not pin much memory. This patch doesn't introduce any functional change. Link: http://lkml.kernel.org/r/1472119394-11342-2-git-send-email-mhocko@kernel.org Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Michal Hocko <mhocko@suse.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: Vladimir Davydov <vdavydov@parallels.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '.cocciconfig')
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