diff options
| author | Mel Gorman <mgorman@techsingularity.net> | 2016-05-20 03:13:50 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-20 05:12:14 +0300 |
| commit | 5bb1b169757875a72e05bfcbb76e22602cb1a760 (patch) | |
| tree | 9d57dd2f45765596feeb8f3518fe5ba165ad4244 | |
| parent | be06af002f6d50de10fd602ce3a6aa5d28e88d38 (diff) | |
| download | linux-5bb1b169757875a72e05bfcbb76e22602cb1a760.tar.xz | |
mm, page_alloc: remove unnecessary initialisation from __alloc_pages_nodemask()
page is guaranteed to be set before it is read with or without the
initialisation.
[akpm@linux-foundation.org: fix warning]
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>
| -rw-r--r-- | mm/page_alloc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 1096ac8f5ed1..f9ca6cc553c7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3347,7 +3347,7 @@ __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order, struct zonelist *zonelist, nodemask_t *nodemask) { struct zoneref *preferred_zoneref; - struct page *page = NULL; + struct page *page; unsigned int cpuset_mems_cookie; unsigned int alloc_flags = ALLOC_WMARK_LOW|ALLOC_FAIR; gfp_t alloc_mask; /* The gfp_t that was actually used for allocation */ @@ -3393,8 +3393,11 @@ retry_cpuset: /* The preferred zone is used for statistics later */ preferred_zoneref = first_zones_zonelist(ac.zonelist, ac.high_zoneidx, ac.nodemask, &ac.preferred_zone); - if (!ac.preferred_zone) + if (!ac.preferred_zone) { + page = NULL; goto out; + } + ac.classzone_idx = zonelist_zone_idx(preferred_zoneref); /* First allocation attempt */ |