[PATCH 2/3] mm: clear_soft_dirty_pmd requires THP
From: Laurent Dufour <hidden>
Date: 2015-10-16 12:08:15
Also in:
linux-mm, lkml
Subsystem:
filesystems (vfs and infrastructure), memory mapping, proc filesystem, the rest · Maintainers:
Alexander Viro, Christian Brauner, Andrew Morton, Liam R. Howlett, Lorenzo Stoakes, Linus Torvalds
Don't build clear_soft_dirty_pmd() if the transparent huge pages are not enabled. Signed-off-by: Laurent Dufour <redacted> CC: Aneesh Kumar K.V <redacted> --- 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 c9454ee39b28..fa847a982a9f 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c@@ -762,7 +762,14 @@ 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) {
@@ -776,14 +783,7 @@ 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) {
--
1.9.1