The patch titled
Subject: arch/powerpc/mm/subpage-prot.c: use walk->vma and walk_page_vma()
has been added to the -mm tree. Its filename is
arch-powerpc-mm-subpage-protc-use-walk-vma-and-walk_page_vma.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arch-powerpc-mm-subpage-protc-use-walk-vma-and-walk_page_vma.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arch-powerpc-mm-subpage-protc-use-walk-vma-and-walk_page_vma.patch
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------------------------------------------------------
From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Subject: arch/powerpc/mm/subpage-prot.c: use walk->vma and walk_page_vma()
We don't have to use mm_walk->private to pass vma to the callback function
because of mm_walk->vma. And walk_page_vma() is useful if we walk over a
single vma.
Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/mm/subpage-prot.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff -puN arch/powerpc/mm/subpage-prot.c~arch-powerpc-mm-subpage-protc-use-walk-vma-and-walk_page_vma arch/powerpc/mm/subpage-prot.c
--- a/arch/powerpc/mm/subpage-prot.c~arch-powerpc-mm-subpage-protc-use-walk-vma-and-walk_page_vma
+++ a/arch/powerpc/mm/subpage-prot.c
@@ -134,7 +134,7 @@ static void subpage_prot_clear(unsigned
static int subpage_walk_pmd_entry(pmd_t *pmd, unsigned long addr,
unsigned long end, struct mm_walk *walk)
{
- struct vm_area_struct *vma = walk->private;
+ struct vm_area_struct *vma = walk->vma;
split_huge_page_pmd(vma, addr, pmd);
return 0;
}
@@ -163,9 +163,7 @@ static void subpage_mark_vma_nohuge(stru
if (vma->vm_start >= (addr + len))
break;
vma->vm_flags |= VM_NOHUGEPAGE;
- subpage_proto_walk.private = vma;
- walk_page_range(vma->vm_start, vma->vm_end,
- &subpage_proto_walk);
+ walk_page_vma(vma, &subpage_proto_walk);
vma = vma->vm_next;
}
}
_
Patches currently in -mm which might be from n-horiguchi@xxxxxxxxxxxxx are
mm-pagewalk-call-pte_hole-for-vm_pfnmap-during-walk_page_range.patch
mm-add-kpf_zero_page-flag-for-proc-kpageflags.patch
mm-hugetlb-reduce-arch-dependent-code-around-follow_huge_.patch
mm-hugetlb-pmd_huge-returns-true-for-non-present-hugepage.patch
mm-hugetlb-take-page-table-lock-in-follow_huge_pmd.patch
mm-hugetlb-fix-getting-refcount-0-page-in-hugetlb_fault.patch
mm-hugetlb-add-migration-hwpoisoned-entry-check-in-hugetlb_change_protection.patch
mm-hugetlb-add-migration-entry-check-in-__unmap_hugepage_range.patch
mm-hugetlb-fix-suboptimal-migration-hwpoisoned-entry-check.patch
mm-hugetlb-cleanup-and-rename-is_hugetlb_entry_migrationhwpoisoned.patch
mm-pagewalk-remove-pgd_entry-and-pud_entry.patch
revert-mm-pagewalk-call-pte_hole-for-vm_pfnmap-during-walk_page_range.patch
pagewalk-improve-vma-handling.patch
pagewalk-add-walk_page_vma.patch
smaps-remove-mem_size_stats-vma-and-use-walk_page_vma.patch
clear_refs-remove-clear_refs_private-vma-and-introduce-clear_refs_test_walk.patch
pagemap-use-walk-vma-instead-of-calling-find_vma.patch
numa_maps-fix-typo-in-gather_hugetbl_stats.patch
numa_maps-remove-numa_maps-vma.patch
memcg-cleanup-preparation-for-page-table-walk.patch
arch-powerpc-mm-subpage-protc-use-walk-vma-and-walk_page_vma.patch
mempolicy-apply-page-table-walker-on-queue_pages_range.patch
mm-proc-pid-clear_refs-avoid-split_huge_page.patch
mincore-apply-page-table-walker-on-do_mincore.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
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