diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 15:34:05 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 15:34:05 +0100 |
commit | d19b85db9d5c44a4c21dcb10d6fbadaa4425ab2a (patch) | |
tree | 250be7a5a29069f7d1f4524fa45ab0e988833025 /mm/oom_kill.c | |
parent | 490dea45d00f01847ebebd007685d564aaf2cd98 (diff) | |
parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) |
Merge commit 'v2.6.29-rc1' into timers/urgent
Diffstat (limited to 'mm/oom_kill.c')
-rw-r--r-- | mm/oom_kill.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 6b9e758c98a..40ba05061a4 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -429,7 +429,6 @@ void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask) unsigned long points = 0; struct task_struct *p; - cgroup_lock(); read_lock(&tasklist_lock); retry: p = select_bad_process(&points, mem); @@ -444,7 +443,6 @@ retry: goto retry; out: read_unlock(&tasklist_lock); - cgroup_unlock(); } #endif @@ -560,6 +558,13 @@ void pagefault_out_of_memory(void) /* Got some memory back in the last second. */ return; + /* + * If this is from memcg, oom-killer is already invoked. + * and not worth to go system-wide-oom. + */ + if (mem_cgroup_oom_called(current)) + goto rest_and_return; + if (sysctl_panic_on_oom) panic("out of memory from page fault. panic_on_oom is selected.\n"); @@ -571,6 +576,7 @@ void pagefault_out_of_memory(void) * Give "p" a good chance of killing itself before we * retry to allocate memory. */ +rest_and_return: if (!test_thread_flag(TIF_MEMDIE)) schedule_timeout_uninterruptible(1); } |