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| author | Ingo Molnar <mingo@kernel.org> | 2016-07-08 17:27:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-08 17:27:47 +0200 |
| commit | 9e7f7f5425e6d1492109a537ee88c99b29580655 (patch) | |
| tree | 81f9d68abb5b793aadaf80bd6940af04e3c16eb9 /kernel/power | |
| parent | x86/KASLR: Fix boot crash with certain memory configurations (diff) | |
| parent | selftests/x86: Add vDSO mremap() test (diff) | |
| download | linux-9e7f7f5425e6d1492109a537ee88c99b29580655.tar.xz linux-9e7f7f5425e6d1492109a537ee88c99b29580655.zip | |
Merge branch 'x86/mm' into x86/boot, to pick up dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/power')
| -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; |