On Tue, 2010-12-14 at 15:13 -0500, Valdis.Kletnieks@xxxxxx wrote: > So you're not guaranteed that 10*HZ is 10 seconds. 10*USER_HZ, sure. > But not HZ. You're confused. 10*HZ jiffies is always 10 seconds. Hertz means per-second. We take CONFIG_HZ ticks per second, so waiting HZ jiffies makes us wait 1 second. USER_HZ is archaic and only used to stabilize user-interfaces that for some daft reason depended on HZ. -- 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/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href