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Commit 1c52e6d0 authored by Yafang Shao's avatar Yafang Shao Committed by Linus Torvalds
Browse files

mm/page_alloc.c: remove unnecessary parameter in rmqueue_pcplist 

Because rmqueue_pcplist() is only called when order is 0, we don't need to
use order as a parameter.

Link: http://lkml.kernel.org/r/1555591709-11744-1-git-send-email-laoar.shao@gmail.com


Signed-off-by: default avatarYafang Shao <laoar.shao@gmail.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Acked-by: default avatarPankaj Gupta <pagupta@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2c8fc3dc

mm/page_alloc.c

+5 −6
Original line number Diff line number Diff line
@@ -3170,9 +3170,8 @@ static struct page *__rmqueue_pcplist(struct zone *zone, int migratetype, 


/* Lock and remove page from the per-cpu list */

static struct page *rmqueue_pcplist(struct zone *preferred_zone,

			struct zone *zone, unsigned int order,

			gfp_t gfp_flags, int migratetype,

			unsigned int alloc_flags)

			struct zone *zone, gfp_t gfp_flags,

			int migratetype, unsigned int alloc_flags)

{

	struct per_cpu_pages *pcp;

	struct list_head *list;
@@ -3184,7 +3183,7 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone, 
	list = &pcp->lists[migratetype];

	page = __rmqueue_pcplist(zone,  migratetype, alloc_flags, pcp, list);

	if (page) {

		__count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);

		__count_zid_vm_events(PGALLOC, page_zonenum(page), 1);

		zone_statistics(preferred_zone, zone);

	}

	local_irq_restore(flags);
@@ -3204,8 +3203,8 @@ struct page *rmqueue(struct zone *preferred_zone, 
	struct page *page;



	if (likely(order == 0)) {

		page = rmqueue_pcplist(preferred_zone, zone, order,

				gfp_flags, migratetype, alloc_flags);

		page = rmqueue_pcplist(preferred_zone, zone, gfp_flags,

					migratetype, alloc_flags);

		goto out;

	}