[PATCH 08/10] migrate: remove VM_HUGETLB from vma flag check in vma_migratable()

From: Naoya Horiguchi
Date: Fri Mar 22 2013 - 16:25:27 EST


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 v3.9-rc3.orig/include/linux/mempolicy.h v3.9-rc3/include/linux/mempolicy.h
index 0d7df39..2e475b5 100644
--- v3.9-rc3.orig/include/linux/mempolicy.h
+++ v3.9-rc3/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
--
1.7.11.7

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/