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mm/page_alloc: in zone_pcp_update(), uze zone_pageset_init() 

Previously, zone_pcp_update() called pageset_set_batch() directly,
essentially assuming that percpu_pagelist_fraction == 0.

Correct this by calling zone_pageset_init(), which chooses the
appropriate ->batch and ->high calculations.

Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Cody P Schafer 2013-07-03 15:01:39 -07:00 committed by Linus Torvalds
parent 56cef2b85c
commit 737af4c011
1 changed files with 1 additions and 3 deletions
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4
mm/page_alloc.c
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@ -6098,11 +6098,9 @@ void free_contig_range(unsigned long pfn, unsigned nr_pages)
void __meminit zone_pcp_update(struct zone *zone)
{
unsigned cpu;
unsigned long batch;
mutex_lock(&pcp_batch_high_lock);
batch = zone_batchsize(zone);
for_each_possible_cpu(cpu)
pageset_set_batch(per_cpu_ptr(zone->pageset, cpu), batch);
zone_pageset_init(zone, cpu);
mutex_unlock(&pcp_batch_high_lock);
}
#endif