mm: document tree_lock->zone.lock lockorder

[pandora-kernel.git] / mm / rmap.c

diff --git a/mm/rmap.c b/mm/rmap.c
index f6e85d7..8990f90 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -36,6 +36,7 @@
  *                 mapping->tree_lock (widely used, in set_page_dirty,
  *                           in arch-dependent flush_dcache_mmap_lock,
  *                           within inode_lock in __sync_single_inode)
+ *                   zone->lock (within radix tree node alloc)
  */
 
 #include <linux/mm.h>