From be34f0f3e6aed6e828a8059247d169d38da128d7 Mon Sep 17 00:00:00 2001 From: Oleg Nesterov Date: Sun, 21 Sep 2014 21:47:43 +0200 Subject: sched/numa: Kill the wrong/dead TASK_DEAD check in task_numa_fault() current->state == TASK_DEAD means that the task is doing its last schedule(), page fault is obviously impossible at this stage. Signed-off-by: Oleg Nesterov Acked-by: Mel Gorman Acked-by: Rik van Riel Cc: Peter Zijlstra Cc: Linus Torvalds Link: http://lkml.kernel.org/r/20140921194743.GA30114@redhat.com Signed-off-by: Ingo Molnar --- kernel/sched/fair.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'kernel/sched/fair.c') diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 2a1e6ac6bb32..9ee3d4f6de47 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1817,10 +1817,6 @@ void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags) if (!p->mm) return; - /* Do not worry about placement if exiting */ - if (p->state == TASK_DEAD) - return; - /* Allocate buffer to track faults on a per-node basis */ if (unlikely(!p->numa_faults_memory)) { int size = sizeof(*p->numa_faults_memory) * -- cgit v1.2.3