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[PATCH] lockdep: annotate mm

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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>
This commit is contained in:
Ingo Molnar
2006-07-03 00:25:08 -07:00
committed by Linus Torvalds
parent eb4542b98c
commit f20dc5f7c1
2 changed files with 2 additions and 2 deletions
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2
mm/memory.c
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@@ -503,7 +503,7 @@ again:
return -ENOMEM;
src_pte = pte_offset_map_nested(src_pmd, addr);
src_ptl = pte_lockptr(src_mm, src_pmd);
spin_lock(src_ptl);
spin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING);
do {
/*