On Tue, 2010-06-22 at 21:52 +0800, Wu Fengguang wrote: > > This test shows that atomic_dec_and_test() is about 4.5 times slower > than plain i-- in a 4-core CPU. Not bad. It gets worse - much worse - on larger machines. -- 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