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-rw-r--r--include/linux/mm.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 72a15dc26bbf..4194bf8e4f6c 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -919,7 +919,7 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a
919} 919}
920#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */ 920#endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */
921 921
922#if NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS 922#if USE_SPLIT_PTLOCKS
923/* 923/*
924 * We tuck a spinlock to guard each pagetable page into its struct page, 924 * We tuck a spinlock to guard each pagetable page into its struct page,
925 * at page->private, with BUILD_BUG_ON to make sure that this will not 925 * at page->private, with BUILD_BUG_ON to make sure that this will not
@@ -932,14 +932,14 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a
932} while (0) 932} while (0)
933#define pte_lock_deinit(page) ((page)->mapping = NULL) 933#define pte_lock_deinit(page) ((page)->mapping = NULL)
934#define pte_lockptr(mm, pmd) ({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));}) 934#define pte_lockptr(mm, pmd) ({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));})
935#else 935#else /* !USE_SPLIT_PTLOCKS */
936/* 936/*
937 * We use mm->page_table_lock to guard all pagetable pages of the mm. 937 * We use mm->page_table_lock to guard all pagetable pages of the mm.
938 */ 938 */
939#define pte_lock_init(page) do {} while (0) 939#define pte_lock_init(page) do {} while (0)
940#define pte_lock_deinit(page) do {} while (0) 940#define pte_lock_deinit(page) do {} while (0)
941#define pte_lockptr(mm, pmd) ({(void)(pmd); &(mm)->page_table_lock;}) 941#define pte_lockptr(mm, pmd) ({(void)(pmd); &(mm)->page_table_lock;})
942#endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */ 942#endif /* USE_SPLIT_PTLOCKS */
943 943
944static inline void pgtable_page_ctor(struct page *page) 944static inline void pgtable_page_ctor(struct page *page)
945{ 945{