diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2014-09-21 21:47:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-09-24 09:35:05 +0200 |
| commit | be34f0f3e6aed6e828a8059247d169d38da128d7 (patch) | |
| tree | 9de40d22cd49bc8be1190b22247ad367d0fe1a17 /kernel/sched | |
| parent | 9c58c79a8a76c510cd3a5012c536d4fe3c81ec3b (diff) | |
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 <oleg@redhat.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20140921194743.GA30114@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/fair.c | 4 |
1 files changed, 0 insertions, 4 deletions
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) * |