We don't have to use mm_walk->private to pass vma to the callback function, because mm_walk->vma is automatically set to the valid one. Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> --- arch/powerpc/mm/subpage-prot.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git v3.12-rc7-mmots-2013-10-29-16-24.orig/arch/powerpc/mm/subpage-prot.c v3.12-rc7-mmots-2013-10-29-16-24/arch/powerpc/mm/subpage-prot.c index a770df2d..cec0af0 100644 --- v3.12-rc7-mmots-2013-10-29-16-24.orig/arch/powerpc/mm/subpage-prot.c +++ v3.12-rc7-mmots-2013-10-29-16-24/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; } } -- 1.8.3.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>