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Commit 71ea2efb authored by Naoya Horiguchi's avatar Naoya Horiguchi Committed by Linus Torvalds
Browse files

mm: migrate: remove VM_HUGETLB from vma flag check in vma_migratable() 



Enable hugepage migration from migrate_pages(2), move_pages(2), and
mbind(2).

Signed-off-by: default avatarNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: default avatarHillf Danton <dhillf@gmail.com>
Acked-by: default avatarAndi Kleen <ak@linux.intel.com>
Reviewed-by: default avatarWanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 74060e4d

include/linux/mempolicy.h

+1 −1
Original line number Diff line number Diff line
@@ -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