Commit-ID:  be34f0f3e6aed6e828a8059247d169d38da128d7
Gitweb:     http://git.kernel.org/tip/be34f0f3e6aed6e828a8059247d169d38da128d7
Author:     Oleg Nesterov <[email protected]>
AuthorDate: Sun, 21 Sep 2014 21:47:43 +0200
Committer:  Ingo Molnar <[email protected]>
CommitDate: Wed, 24 Sep 2014 09:35:05 +0200

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 <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Linus Torvalds <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
 kernel/sched/fair.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 2a1e6ac..9ee3d4f 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) *
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to