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| author | Laurent Dufour <ldufour@linux.vnet.ibm.com> | 2015-11-06 03:49:24 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-06 04:34:48 +0100 |
| commit | 5d3875a01eeafef7ef0b73a99462cb9bd55e8485 (patch) | |
| tree | ba7a704d412b9843025b932bc1f52280dc903f8e | |
| parent | mm: clear pte in clear_soft_dirty() (diff) | |
| download | linux-5d3875a01eeafef7ef0b73a99462cb9bd55e8485.tar.xz linux-5d3875a01eeafef7ef0b73a99462cb9bd55e8485.zip | |
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 <ldufour@linux.vnet.ibm.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/proc/task_mmu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index ef44bb474ea2..187b3b5f242e 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) { |