mm: group pte related helpers together
This reduces/simplifies the diff for the next patch which moves THP
specific code.
No semantical changes !
Acked-by: Kirill A. Shutemov kirill.shutemov@linux.intel.com
Link: http://lkml.kernel.org/r/1442918096-17454-9-git-send-email-vgupta@synopsys.com
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 6b674e0..4885189 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -57,6 +57,31 @@
}
#endif
+#ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
+int ptep_clear_flush_young(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep)
+{
+ int young;
+ young = ptep_test_and_clear_young(vma, address, ptep);
+ if (young)
+ flush_tlb_page(vma, address);
+ return young;
+}
+#endif
+
+#ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH
+pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address,
+ pte_t *ptep)
+{
+ struct mm_struct *mm = (vma)->vm_mm;
+ pte_t pte;
+ pte = ptep_get_and_clear(mm, address, ptep);
+ if (pte_accessible(mm, pte))
+ flush_tlb_page(vma, address);
+ return pte;
+}
+#endif
+
#ifndef __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
int pmdp_set_access_flags(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp,
@@ -77,18 +102,6 @@
}
#endif
-#ifndef __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
-int ptep_clear_flush_young(struct vm_area_struct *vma,
- unsigned long address, pte_t *ptep)
-{
- int young;
- young = ptep_test_and_clear_young(vma, address, ptep);
- if (young)
- flush_tlb_page(vma, address);
- return young;
-}
-#endif
-
#ifndef __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH
int pmdp_clear_flush_young(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp)
@@ -106,19 +119,6 @@
}
#endif
-#ifndef __HAVE_ARCH_PTEP_CLEAR_FLUSH
-pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address,
- pte_t *ptep)
-{
- struct mm_struct *mm = (vma)->vm_mm;
- pte_t pte;
- pte = ptep_get_and_clear(mm, address, ptep);
- if (pte_accessible(mm, pte))
- flush_tlb_page(vma, address);
- return pte;
-}
-#endif
-
#ifndef __HAVE_ARCH_PMDP_HUGE_CLEAR_FLUSH
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
pmd_t pmdp_huge_clear_flush(struct vm_area_struct *vma, unsigned long address,