bna: remove useless calls to memset().

[firefly-linux-kernel-4.4.55.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7bb35ac0964aaa425b3888e0963e3d7fa2ac1e53..92871579cbee3b8feb12376df03ad2969f942c48 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1405,7 +1405,7 @@ int capture_free_page(struct page *page, int alloc_order, int migratetype)
 
        mt = get_pageblock_migratetype(page);
        if (unlikely(mt != MIGRATE_ISOLATE))
-               __mod_zone_freepage_state(zone, -(1UL << order), mt);
+               __mod_zone_freepage_state(zone, -(1UL << alloc_order), mt);
 
        if (alloc_order != order)
                expand(zone, page, alloc_order, order,
@@ -2416,8 +2416,9 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
                goto nopage;
 
 restart:
-       wake_all_kswapd(order, zonelist, high_zoneidx,
-                                       zone_idx(preferred_zone));
+       if (!(gfp_mask & __GFP_NO_KSWAPD))
+               wake_all_kswapd(order, zonelist, high_zoneidx,
+                                               zone_idx(preferred_zone));
 
        /*
         * OK, we're below the kswapd watermark and have kicked background
@@ -2494,7 +2495,7 @@ rebalance:
         * system then fail the allocation instead of entering direct reclaim.
         */
        if ((deferred_compaction || contended_compaction) &&
-           (gfp_mask & (__GFP_MOVABLE|__GFP_REPEAT)) == __GFP_MOVABLE)
+                                               (gfp_mask & __GFP_NO_KSWAPD))
                goto nopage;
 
        /* Try direct reclaim and then allocating */