X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=mm%2Finternal.h;h=d597f94cc2059ade4d9fd808457d240538faac55;hb=dfb2ea45becb198beeb75350d0b7b7ad9076a38f;hp=52d1fa957194f8f8b574a29cef6569b9f8ed0306;hpb=fd62c5450324af7f6cc12897b09b77285cd48a92;p=linux-2.6-block.git

diff --git a/mm/internal.h b/mm/internal.h
index 52d1fa957194..d597f94cc205 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -217,15 +217,18 @@ static inline void mlock_migrate_page(struct page *newpage, struct page *page)
 {
 	if (TestClearPageMlocked(page)) {
 		unsigned long flags;
+		int nr_pages = hpage_nr_pages(page);
 
 		local_irq_save(flags);
-		__dec_zone_page_state(page, NR_MLOCK);
+		__mod_zone_page_state(page_zone(page), NR_MLOCK, -nr_pages);
 		SetPageMlocked(newpage);
-		__inc_zone_page_state(newpage, NR_MLOCK);
+		__mod_zone_page_state(page_zone(newpage), NR_MLOCK, nr_pages);
 		local_irq_restore(flags);
 	}
 }
 
+extern pmd_t maybe_pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma);
+
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 extern unsigned long vma_address(struct page *page,
 				 struct vm_area_struct *vma);