Messages in this thread Patch in this message | | | Date | Sat, 17 Nov 2012 13:17:13 +0800 | Subject | [PATCH 3/5] balancenuma: cleanup in resetting numa scan | From | Hillf Danton <> |
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Checking ->mm is not needed, but too late if necessary.
Signed-off-by: Hillf Danton <dhillf@gmail.com> ---
--- a/kernel/sched/fair.c Sat Nov 17 12:12:08 2012 +++ b/kernel/sched/fair.c Sat Nov 17 12:14:26 2012 @@ -1125,7 +1125,7 @@ static void reset_ptenuma_scan(struct ta ACCESS_ONCE(p->mm->numa_scan_seq)++; p->mm->numa_scan_offset = 0; - if (p->mm && p->mm->mm_balancenuma) + if (p->mm->mm_balancenuma) p->mm->mm_balancenuma->mm_numa_fault_tot >>= 1; if (p->task_balancenuma) { int nid; --
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