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

[Naoya Horiguchi]

This patch enables hugepage migration from migrate_pages(2),
move_pages(2), and mbind(2).

Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
---
 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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