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Commit 737af4c0 authored by Cody P Schafer's avatar Cody P Schafer Committed by Linus Torvalds
Browse files

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: default avatarCody 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 56cef2b8

mm/page_alloc.c

+1 −3
Original line number Diff line number Diff line
@@ -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