mm, page_alloc: remove unnecessary local variable in get_page_from_freelist

zonelist here is a copy of a struct field that is used once.  Ditch it.

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>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 41d20bf..1d70580 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2676,7 +2676,6 @@ static struct page *
 get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
                                                const struct alloc_context *ac)
 {
-       struct zonelist *zonelist = ac->zonelist;
        struct zoneref *z;
        struct page *page = NULL;
        struct zone *zone;
@@ -2690,7 +2689,7 @@ zonelist_scan:
         * Scan zonelist, looking for a zone with enough free.
         * See also __cpuset_node_allowed() comment in kernel/cpuset.c.
         */
-       for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx,
+       for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
                                                                ac->nodemask) {
                unsigned long mark;