doc/vm/page_owner.rst: remove content related to -c option

[linux-2.6-microblaze.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index bdc8f60..2db9578 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1108,6 +1108,9 @@ continue_merging:
 
                buddy_pfn = __find_buddy_pfn(pfn, order);
                buddy = page + (buddy_pfn - pfn);
+
+               if (!page_is_buddy(page, buddy, order))
+                       goto done_merging;
                buddy_mt = get_pageblock_migratetype(buddy);
 
                if (migratetype != buddy_mt
@@ -8364,6 +8367,7 @@ static int page_alloc_cpu_dead(unsigned int cpu)
        struct zone *zone;
 
        lru_add_drain_cpu(cpu);
+       mlock_page_drain_remote(cpu);
        drain_pages(cpu);
 
        /*