From 5d3875a01eeafef7ef0b73a99462cb9bd55e8485 Mon Sep 17 00:00:00 2001 From: Laurent Dufour Date: Thu, 5 Nov 2015 18:49:24 -0800 Subject: [PATCH] mm: clear_soft_dirty_pmd() requires THP Don't build clear_soft_dirty_pmd() if transparent huge pages are not enabled. Signed-off-by: Laurent Dufour Reviewed-by: Aneesh Kumar K.V Cc: Pavel Emelyanov Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/task_mmu.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index ef44bb4..187b3b5 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -801,7 +801,14 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma, set_pte_at(vma->vm_mm, addr, pte, ptent); } } +#else +static inline void clear_soft_dirty(struct vm_area_struct *vma, + unsigned long addr, pte_t *pte) +{ +} +#endif +#if defined(CONFIG_MEM_SOFT_DIRTY) && defined(CONFIG_TRANSPARENT_HUGEPAGE) static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp) { @@ -815,14 +822,7 @@ static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, set_pmd_at(vma->vm_mm, addr, pmdp, pmd); } - #else - -static inline void clear_soft_dirty(struct vm_area_struct *vma, - unsigned long addr, pte_t *pte) -{ -} - static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp) { -- 2.7.4