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authorIngo Molnar <mingo@elte.hu>2009-01-11 00:51:06 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 00:51:06 +0100
commit0811a433c61e85f895018239c4466a36311cd5de (patch)
tree276933e518e5525d24ae37b02df2db9909679260 /mm/mlock.c
parentc299030765292434b73572f9bcfe84951ff06614 (diff)
parent3d14bdad40315b54470cb7812293d14c8af2bf7d (diff)
Merge branch 'linus' into core/iommu
Diffstat (limited to 'mm/mlock.c')
-rw-r--r--mm/mlock.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index 3035a56e7616..e125156c664e 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -173,12 +173,13 @@ static long __mlock_vma_pages_range(struct vm_area_struct *vma,
(atomic_read(&mm->mm_users) != 0));
/*
- * mlock: don't page populate if page has PROT_NONE permission.
- * munlock: the pages always do munlock althrough
- * its has PROT_NONE permission.
+ * mlock: don't page populate if vma has PROT_NONE permission.
+ * munlock: always do munlock although the vma has PROT_NONE
+ * permission, or SIGKILL is pending.
*/
if (!mlock)
- gup_flags |= GUP_FLAGS_IGNORE_VMA_PERMISSIONS;
+ gup_flags |= GUP_FLAGS_IGNORE_VMA_PERMISSIONS |
+ GUP_FLAGS_IGNORE_SIGKILL;
if (vma->vm_flags & VM_WRITE)
gup_flags |= GUP_FLAGS_WRITE;