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Subject[PATCH 2/3] mm: clear_soft_dirty_pmd requires THP
Date
Don't build clear_soft_dirty_pmd() if the transparent huge pages are
not enabled.

Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
CC: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
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


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