Re: [PATCH 6/8] migrate: remove VM_HUGETLB from vma flag check in vma_migratable()

[Wanpeng Li <liwanp@linux.vnet.ibm.com>]

On Thu, Jul 18, 2013 at 05:34:30PM -0400, Naoya Horiguchi wrote:
>This patch enables hugepage migration from migrate_pages(2),
>move_pages(2), and mbind(2).
>

Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>

>Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
>---
> include/linux/mempolicy.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git v3.11-rc1.orig/include/linux/mempolicy.h v3.11-rc1/include/linux/mempolicy.h
>index 0d7df39..2e475b5 100644
>--- v3.11-rc1.orig/include/linux/mempolicy.h
>+++ v3.11-rc1/include/linux/mempolicy.h
>@@ -173,7 +173,7 @@ extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol);
> /* Check if a vma is migratable */
> static inline int vma_migratable(struct vm_area_struct *vma)
> {
>-	if (vma->vm_flags & (VM_IO | VM_HUGETLB | VM_PFNMAP))
>+	if (vma->vm_flags & (VM_IO | VM_PFNMAP))
> 		return 0;
> 	/*
> 	 * Migration allocates pages in the highest zone. If we cannot
>-- 
>1.8.3.1
>
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