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Subject[PATCH 3/5] balancenuma: cleanup in resetting numa scan
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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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