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Commit 52585bcc authored by Vineet Gupta's avatar Vineet Gupta
Browse files

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: default avatarKirill 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: default avatarVineet Gupta <vgupta@synopsys.com>
parent 443a6312

mm/pgtable-generic.c

+25 −25
Original line number Diff line number Diff line
@@ -57,6 +57,31 @@ int ptep_set_access_flags(struct vm_area_struct *vma, 
}

#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 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, 
}

#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 @@ int pmdp_clear_flush_young(struct vm_area_struct *vma, 
}

#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,