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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2015-06-24 16:57:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-24 17:49:44 -0700
commitf28b6ff8c3d48af21354ef30164c8ccea69d5928 (patch)
treebee43a7022f356ec768a01b206dcd079536abad5 /arch/powerpc
parent15a25b2ead5f97c5a63c169186e294b41ce03f9a (diff)
powerpc/mm: use generic version of pmdp_clear_flush()
Also move the pmd_trans_huge check to generic code. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h4
-rw-r--r--arch/powerpc/mm/pgtable_64.c11
2 files changed, 0 insertions, 15 deletions
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 5f3a33784259..34ffbf52d078 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -573,10 +573,6 @@ extern int pmdp_clear_flush_young(struct vm_area_struct *vma,
extern pmd_t pmdp_get_and_clear(struct mm_struct *mm,
unsigned long addr, pmd_t *pmdp);
-#define __HAVE_ARCH_PMDP_CLEAR_FLUSH
-extern pmd_t pmdp_clear_flush(struct vm_area_struct *vma, unsigned long address,
- pmd_t *pmdp);
-
#define __HAVE_ARCH_PMDP_SET_WRPROTECT
static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp)
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 049d961802aa..f7775193d745 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -554,17 +554,6 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr,
return old;
}
-pmd_t pmdp_clear_flush(struct vm_area_struct *vma, unsigned long address,
- pmd_t *pmdp)
-{
- pmd_t pmd;
-
- VM_BUG_ON(address & ~HPAGE_PMD_MASK);
- VM_BUG_ON(!pmd_trans_huge(*pmdp));
- pmd = pmdp_get_and_clear(vma->vm_mm, address, pmdp);
- return pmd;
-}
-
pmd_t pmdp_collapse_flush(struct vm_area_struct *vma, unsigned long address,
pmd_t *pmdp)
{