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| author | Mel Gorman <mgorman@techsingularity.net> | 2016-05-19 17:14:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-19 19:12:14 -0700 |
| commit | e5b31ac2ca2cd0cf6bf2fcbb708ed01466c89aaa (patch) | |
| tree | e2cad286d5b732013c774e203f2d92c1763f22b4 /mm/page_alloc.c | |
| parent | da838d4fcba675cbf864f225d76f970e91220ee6 (diff) | |
| download | lwn-e5b31ac2ca2cd0cf6bf2fcbb708ed01466c89aaa.tar.gz lwn-e5b31ac2ca2cd0cf6bf2fcbb708ed01466c89aaa.zip | |
mm, page_alloc: remove unnecessary variable from free_pcppages_bulk
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>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index fea50b0cb405..822ce86fc883 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -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); } |