[PATCH] mm/page_alloc: remove unnecessary parameter in rmqueue_pcplist

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

Signed-off-by: Yafang Shao <laoar.shao@xxxxxxxxx>
---
 mm/page_alloc.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f752025..25518bf 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3096,9 +3096,8 @@ 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;
@@ -3110,7 +3109,7 @@ 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);
@@ -3130,8 +3129,8 @@ 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;
 	}
 
-- 
1.8.3.1




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