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-rw-r--r--mm/oom_kill.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index a3a32ae02e9d..198600861638 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -556,8 +556,8 @@ void oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
556/* 556/*
557 * Determines whether the kernel must panic because of the panic_on_oom sysctl. 557 * Determines whether the kernel must panic because of the panic_on_oom sysctl.
558 */ 558 */
559static void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask, 559void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask,
560 int order, const nodemask_t *nodemask) 560 int order, const nodemask_t *nodemask)
561{ 561{
562 if (likely(!sysctl_panic_on_oom)) 562 if (likely(!sysctl_panic_on_oom))
563 return; 563 return;
@@ -575,25 +575,6 @@ static void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask,
575 sysctl_panic_on_oom == 2 ? "compulsory" : "system-wide"); 575 sysctl_panic_on_oom == 2 ? "compulsory" : "system-wide");
576} 576}
577 577
578#ifdef CONFIG_MEMCG
579void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
580 int order)
581{
582 /*
583 * If current has a pending SIGKILL, then automatically select it. The
584 * goal is to allow it to allocate so that it may quickly exit and free
585 * its memory.
586 */
587 if (fatal_signal_pending(current)) {
588 set_thread_flag(TIF_MEMDIE);
589 return;
590 }
591
592 check_panic_on_oom(CONSTRAINT_MEMCG, gfp_mask, order, NULL);
593 __mem_cgroup_out_of_memory(memcg, gfp_mask, order);
594}
595#endif
596
597static BLOCKING_NOTIFIER_HEAD(oom_notify_list); 578static BLOCKING_NOTIFIER_HEAD(oom_notify_list);
598 579
599int register_oom_notifier(struct notifier_block *nb) 580int register_oom_notifier(struct notifier_block *nb)