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[PATCH v2 10/10] mm: madvise allow remove operation for hugetlbfs

Started byMike Kravetz <mike.kravetz@oracle.com>
First post2015-07-09 02:30 +0200
Last post2015-07-09 02:30 +0200
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  [PATCH v2 10/10] mm: madvise allow remove operation for hugetlbfs Mike Kravetz <mike.kravetz@oracle.com> - 2015-07-09 02:30 +0200

#1180327 — [PATCH v2 10/10] mm: madvise allow remove operation for hugetlbfs

FromMike Kravetz <mike.kravetz@oracle.com>
Date2015-07-09 02:30 +0200
Subject[PATCH v2 10/10] mm: madvise allow remove operation for hugetlbfs
Message-ID<pK7SW-1AK-5@gated-at.bofh.it>
Now that we have hole punching support for hugetlbfs, we can
also support the MADV_REMOVE interface to it.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
---
 mm/madvise.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/madvise.c b/mm/madvise.c
index 70ce0d4..a235367 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -468,7 +468,7 @@ static long madvise_remove(struct vm_area_struct *vma,
 
 	*prev = NULL;	/* tell sys_madvise we drop mmap_sem */
 
-	if (vma->vm_flags & (VM_LOCKED | VM_HUGETLB))
+	if (vma->vm_flags & VM_LOCKED)
 		return -EINVAL;
 
 	f = vma->vm_file;
-- 
2.1.0

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