mm-thp-khugepaged-add-policy-for-finding-target-node-fix

make last_khugepaged_target_node local to khugepaged_find_target_node()

Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrew Davidoff <davidoff@qedmf.net>
Cc: Bob Liu <bob.liu@oracle.com>
Cc: Bob Liu <lliubbo@gmail.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 0ab4002d3ee39636c12465c73184d2f308fad918..3624f40e8283fd5d0ca84adca87e764738a08933 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2159,10 +2159,11 @@ static void khugepaged_alloc_sleep(void)
 }
 
 static int khugepaged_node_load[MAX_NUMNODES];
+
 #ifdef CONFIG_NUMA
-static int last_khugepaged_target_node = NUMA_NO_NODE;
 static int khugepaged_find_target_node(void)
 {
+       static int last_khugepaged_target_node = NUMA_NO_NODE;
        int nid, target_node = 0, max_value = 0;
 
        /* find first node with max normal pages hit */