mm, thp: fix mlock statistics

[karo-tx-linux.git] / mm / mlock.c

diff --git a/mm/mlock.c b/mm/mlock.c
index de73215928978fe096b789075385e914fdb93105..f0b9ce572fc78ddbd0118db8aaa60d9b56086bf9 100644 (file)
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -56,7 +56,8 @@ void clear_page_mlock(struct page *page)
        if (!TestClearPageMlocked(page))
                return;
 
-       dec_zone_page_state(page, NR_MLOCK);
+       mod_zone_page_state(page_zone(page), NR_MLOCK,
+                           -hpage_nr_pages(page));
        count_vm_event(UNEVICTABLE_PGCLEARED);
        if (!isolate_lru_page(page)) {
                putback_lru_page(page);
@@ -78,7 +79,8 @@ void mlock_vma_page(struct page *page)
        BUG_ON(!PageLocked(page));
 
        if (!TestSetPageMlocked(page)) {
-               inc_zone_page_state(page, NR_MLOCK);
+               mod_zone_page_state(page_zone(page), NR_MLOCK,
+                                   hpage_nr_pages(page));
                count_vm_event(UNEVICTABLE_PGMLOCKED);
                if (!isolate_lru_page(page))
                        putback_lru_page(page);
@@ -105,7 +107,8 @@ void munlock_vma_page(struct page *page)
        BUG_ON(!PageLocked(page));
 
        if (TestClearPageMlocked(page)) {
-               dec_zone_page_state(page, NR_MLOCK);
+               mod_zone_page_state(page_zone(page), NR_MLOCK,
+                                   -hpage_nr_pages(page));
                if (!isolate_lru_page(page)) {
                        int ret = SWAP_AGAIN;