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mm, page_alloc: remove unnecessary variable from free_pcppages_bulk

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The original count is never reused so it can be removed.

Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mel Gorman 2016-05-19 17:14:24 -07:00 committed by Linus Torvalds
parent da838d4fcb
commit e5b31ac2ca
1 changed files with 3 additions and 4 deletions
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7
mm/page_alloc.c
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@ -857,7 +857,6 @@ static void free_pcppages_bulk(struct zone *zone, int count,
{
int migratetype = 0;
int batch_free = 0;
int to_free = count;
unsigned long nr_scanned;
bool isolated_pageblocks;
@ -867,7 +866,7 @@ static void free_pcppages_bulk(struct zone *zone, int count,
if (nr_scanned)
__mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned);
while (to_free) {
while (count) {
struct page *page;
struct list_head *list;
@ -887,7 +886,7 @@ static void free_pcppages_bulk(struct zone *zone, int count,
/* This is the only non-empty list. Free them all. */
if (batch_free == MIGRATE_PCPTYPES)
batch_free = to_free;
batch_free = count;
do {
int mt; /* migratetype of the to-be-freed page */
@ -905,7 +904,7 @@ static void free_pcppages_bulk(struct zone *zone, int count,
__free_one_page(page, page_to_pfn(page), zone, 0, mt);
trace_mm_page_pcpu_drain(page, 0, mt);
} while (--to_free && --batch_free && !list_empty(list));
} while (--count && --batch_free && !list_empty(list));
}
spin_unlock(&zone->lock);
}