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mm, page_alloc: remove unnecessary initialisation from __alloc_pages_nodemask()

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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>
This commit is contained in:
Mel Gorman 2016-05-19 17:13:50 -07:00 committed by Linus Torvalds
parent be06af002f
commit 5bb1b16975
1 changed files with 5 additions and 2 deletions
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7
mm/page_alloc.c
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@ -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 */