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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-04 08:15:03 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-04 08:15:03 -0700 |
commit | 7813029a509c0c92a5b16d846defaa50a2d3d7f1 (patch) | |
tree | 1962ab81537b7155d185f4b0b06c0323ff4dc509 /kernel/power/process.c | |
parent | 3c9a6793bde1feb368cd6ef113c08a40a37f7517 (diff) | |
parent | a99cde438de0c4c0cecc1d1af1a55a75b10bfdef (diff) |
Merge 4.7-rc6 into staging-next
We want the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/power/process.c')
-rw-r--r-- | kernel/power/process.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c index df058bed53ce..0c2ee9761d57 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -146,6 +146,18 @@ int freeze_processes(void) if (!error && !oom_killer_disable()) error = -EBUSY; + /* + * There is a hard to fix race between oom_reaper kernel thread + * and oom_killer_disable. oom_reaper calls exit_oom_victim + * before the victim reaches exit_mm so try to freeze all the tasks + * again and catch such a left over task. + */ + if (!error) { + pr_info("Double checking all user space processes after OOM killer disable... "); + error = try_to_freeze_tasks(true); + pr_cont("\n"); + } + if (error) thaw_processes(); return error; |