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| author | Ingo Molnar <mingo@kernel.org> | 2016-07-07 10:35:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-07 10:35:28 +0200 |
| commit | 4b4b20852d1009c5e8bc357b22353b62e3a241c7 (patch) | |
| tree | 1026418471fe10c5b9f2fdff8a6b49bf070938fc /kernel/power/process.c | |
| parent | 5130213721d01b6632c255d4295a8102cbb58379 (diff) | |
| parent | f00c0afdfa625165a609513bc74164d56752ec3e (diff) | |
| download | linux-4b4b20852d1009c5e8bc357b22353b62e3a241c7.tar.gz linux-4b4b20852d1009c5e8bc357b22353b62e3a241c7.tar.bz2 linux-4b4b20852d1009c5e8bc357b22353b62e3a241c7.zip | |
Merge branch 'timers/fast-wheel' into timers/core
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; |