Hello, On Sun, Jan 22, 2017 at 10:58:38AM +0800, zhouxianrong wrote: > 1. memset is just set a int value but i want to set a long value. Sorry for late review. Do we really need to set a long value? I cannot believe that long value is repeated in the page. Value repeatition is usually done by value 0 or 1 and it's enough to use int. And, I heard that value 0 or 1 is repeated in Android. Could you check the distribution of the value in the same page? Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>