From: Mel Gorman <[email protected]> commit e5b31ac2ca2cd0cf6bf2fcbb708ed01466c89aaa upstream.
The original count is never reused so it can be removed. Signed-off-by: Mel Gorman <[email protected]> Acked-by: Vlastimil Babka <[email protected]> Cc: Jesper Dangaard Brouer <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> [dwagner: update context] Signed-off-by: Daniel Wagner <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- mm/page_alloc.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -835,7 +835,6 @@ static void free_pcppages_bulk(struct zo { int migratetype = 0; int batch_free = 0; - int to_free = count; unsigned long nr_scanned; spin_lock(&zone->lock); @@ -848,7 +847,7 @@ static void free_pcppages_bulk(struct zo * below while (list_empty(list)) loop. */ count = min(pcp->count, count); - while (to_free) { + while (count) { struct page *page; struct list_head *list; @@ -868,7 +867,7 @@ static void free_pcppages_bulk(struct zo /* 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 */ @@ -886,7 +885,7 @@ static void free_pcppages_bulk(struct zo __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); }
