mm: move inc_zone_page_state(NR_ISOLATED) to just isolated place

Christoph pointed out inc_zone_page_state(NR_ISOLATED) should be placed
in right after isolate_page().

This patch does it.

Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 4545d5944243..0f89eabbaf3e 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -89,6 +89,7 @@
 #include <linux/security.h>
 #include <linux/syscalls.h>
 #include <linux/ctype.h>
+#include <linux/mm_inline.h>
 
 #include <asm/tlbflush.h>
 #include <asm/uaccess.h>
@@ -809,6 +810,8 @@ static void migrate_page_add(struct page *page, struct list_head *pagelist,
         if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1) {
                 if (!isolate_lru_page(page)) {
                         list_add_tail(&page->lru, pagelist);
+                        inc_zone_page_state(page, NR_ISOLATED_ANON +
+                                            page_is_file_cache(page));
                 }
         }
 }