On Tue, Apr 13, 2010 at 01:45:53PM +0900, KAMEZAWA Hiroyuki wrote: [..] > -2. Locking > +2.6 Locking > > -The memory controller uses the following hierarchy > + lock_page_cgroup()/unlock_page_cgroup() should not be called under > + mapping->tree_lock. > Because I never understood very well, I will ask. Why lock_page_cgroup() should not be called under mapping->tree_lock? Thanks Vivek -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>