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Groups > linux.kernel > #1376644
| From | Mel Gorman <mgorman@techsingularity.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 11/24] mm, page_alloc: Remove unnecessary initialisation in get_page_from_freelist |
| Date | 2016-04-12 12:20 +0200 |
| Message-ID | <rn3Ao-5K4-75@gated-at.bofh.it> (permalink) |
| References | <rn3Al-5K4-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
See subject.
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 313db1c43839..f5ddb342c967 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2674,7 +2674,6 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
const struct alloc_context *ac)
{
struct zoneref *z;
- struct page *page = NULL;
struct zone *zone;
bool fair_skipped;
bool zonelist_rescan;
@@ -2688,6 +2687,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
*/
for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
ac->nodemask) {
+ struct page *page;
unsigned long mark;
if (cpusets_enabled() &&
--
2.6.4
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[PATCH 00/24] Optimise page alloc/free fast paths v2 Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 02/24] mm, page_alloc: Use new PageAnonHead helper in the free page fast path Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 18/24] mm, page_alloc: Shortcut watermark checks for order-0 pages Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 05/24] mm, page_alloc: Inline the fast path of the zonelist iterator Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 15/24] mm, page_alloc: Move might_sleep_if check to the allocator slowpath Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 19/24] mm, page_alloc: Avoid looking up the first zone in a zonelist twice Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 14/24] mm, page_alloc: Simplify last cpupid reset Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 03/24] mm, page_alloc: Reduce branches in zone_statistics Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 22/24] mm, page_alloc: Check once if a zone has isolated pageblocks Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 21/24] cpuset: use static key better and convert to new API Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 11/24] mm, page_alloc: Remove unnecessary initialisation in get_page_from_freelist Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 24/24] mm, page_alloc: Do not lookup pcp migratetype during bulk free Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 13/24] mm, page_alloc: Remove redundant check for empty zonelist Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 23/24] mm, page_alloc: Remove unnecessary variable from free_pcppages_bulk Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 08/24] mm, page_alloc: Convert alloc_flags to unsigned Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:20 +0200 [PATCH 01/24] mm, page_alloc: Only check PageCompound for high-order pages Mel Gorman <mgorman@techsingularity.net> - 2016-04-12 12:30 +0200
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