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authorSascha Hauer <s.hauer@pengutronix.de>2011-02-11 08:32:18 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-02-11 08:33:14 +0100
commitf19693a17c6705e197eb24d4618060eaac1b535c (patch)
treefc39dc23297c0e6be730cb0dfd74a34d9c0b8bfd /mm/mlock.c
parent23b120cdfae4f5c29da69de750d545bad719ead4 (diff)
parent100b33c8bd8a3235fd0b7948338d6cbb3db3c63d (diff)
Merge commit 'v2.6.38-rc4' into imx-for-2.6.39
Conflicts: arch/arm/mach-mxs/clock-mx28.c Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'mm/mlock.c')
-rw-r--r--mm/mlock.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index 13e81ee8be9d..c3924c7f00be 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -178,6 +178,13 @@ static long __mlock_vma_pages_range(struct vm_area_struct *vma,
if ((vma->vm_flags & (VM_WRITE | VM_SHARED)) == VM_WRITE)
gup_flags |= FOLL_WRITE;
+ /*
+ * We want mlock to succeed for regions that have any permissions
+ * other than PROT_NONE.
+ */
+ if (vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC))
+ gup_flags |= FOLL_FORCE;
+
if (vma->vm_flags & VM_LOCKED)
gup_flags |= FOLL_MLOCK;