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mm: clear_soft_dirty_pmd() requires THP

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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>
This commit is contained in:
Laurent Dufour 2015-11-05 18:49:24 -08:00 committed by Linus Torvalds
parent 326c2597a3
commit 5d3875a01e
1 changed files with 7 additions and 7 deletions
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14
fs/proc/task_mmu.c
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@ -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)
{