The patch titled
Subject: mm: madvise allow remove operation for hugetlbfs
has been added to the -mm tree. Its filename is
mm-madvise-allow-remove-operation-for-hugetlbfs.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-madvise-allow-remove-operation-for-hugetlbfs.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-madvise-allow-remove-operation-for-hugetlbfs.patch
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------------------------------------------------------
From: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Subject: mm: madvise allow remove operation for hugetlbfs
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@xxxxxxxxxxxxxxx>
Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Acked-by: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Cc: Aneesh Kumar <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/madvise.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/madvise.c~mm-madvise-allow-remove-operation-for-hugetlbfs mm/madvise.c
--- a/mm/madvise.c~mm-madvise-allow-remove-operation-for-hugetlbfs
+++ a/mm/madvise.c
@@ -301,7 +301,7 @@ static long madvise_remove(struct vm_are
*prev = NULL; /* tell sys_madvise we drop mmap_sem */
- if (vma->vm_flags & (VM_LOCKED | VM_LOCKONFAULT | VM_HUGETLB))
+ if (vma->vm_flags & (VM_LOCKED | VM_LOCKONFAULT))
return -EINVAL;
f = vma->vm_file;
_
Patches currently in -mm which might be from mike.kravetz@xxxxxxxxxx are
hugetlb-make-the-function-vma_shareable-bool.patch
mm-hugetlb-add-cache-of-descriptors-to-resv_map-for-region_add.patch
mm-hugetlb-add-cache-of-descriptors-to-resv_map-for-region_add-fix.patch
mm-hugetlb-add-region_del-to-delete-a-specific-range-of-entries.patch
mm-hugetlb-expose-hugetlb-fault-mutex-for-use-by-fallocate.patch
hugetlbfs-hugetlb_vmtruncate_list-needs-to-take-a-range-to-delete.patch
hugetlbfs-truncate_hugepages-takes-a-range-of-pages.patch
mm-hugetlb-vma_has_reserves-needs-to-handle-fallocate-hole-punch.patch
mm-hugetlb-alloc_huge_page-handle-areas-hole-punched-by-fallocate.patch
hugetlbfs-new-huge_add_to_page_cache-helper-routine.patch
hugetlbfs-add-hugetlbfs_fallocate.patch
mm-madvise-allow-remove-operation-for-hugetlbfs.patch
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