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| author |   Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> | 2015-02-11 15:28:00 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-11 17:06:06 -0800 |
| commit | 1757bbd9c5918a9c1a8757141763a23f2e446caa (patch) | |
| tree | 7a43e013db4decf9dba87f5b3ea94dde0afb7b9b /arch | |
| parent | memcg: cleanup preparation for page table walk (diff) | |
| download | linux-dev-1757bbd9c5918a9c1a8757141763a23f2e446caa.tar.xz linux-dev-1757bbd9c5918a9c1a8757141763a23f2e446caa.zip | |
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@ah.jp.nec.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/mm/subpage-prot.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c index 6c0b1f5f8d2c..fa9fb5b4c66c 100644 --- a/arch/powerpc/mm/subpage-prot.c +++ b/arch/powerpc/mm/subpage-prot.c @@ -134,7 +134,7 @@ static void subpage_prot_clear(unsigned long addr, unsigned long len) 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(struct mm_struct *mm, unsigned long addr, 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; } } |