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authorIngo Molnar <mingo@elte.hu>2006-07-03 00:25:08 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 15:27:07 -0700
commitf20dc5f7c1adf1c4b68b7672d6f2002cb824e636 (patch)
treeffd31717399ff783da29444f3446a63285f22b14 /mm/mremap.c
parenteb4542b98c81e22e08587b747b21986a45360999 (diff)
downloadlinaro-lsk-f20dc5f7c1adf1c4b68b7672d6f2002cb824e636.tar.gz
[PATCH] lockdep: annotate mm
Teach special (recursive) locking code to the lock validator. Has no effect on non-lockdep kernels. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/mremap.c')
-rw-r--r--mm/mremap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index 1903bdf65e4..7c15cf3373a 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -97,7 +97,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
new_pte = pte_offset_map_nested(new_pmd, new_addr);
new_ptl = pte_lockptr(mm, new_pmd);
if (new_ptl != old_ptl)
- spin_lock(new_ptl);
+ spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
for (; old_addr < old_end; old_pte++, old_addr += PAGE_SIZE,
new_pte++, new_addr += PAGE_SIZE) {