On Thu, 17 Dec 2015 11:55:11 -0800 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > On Thu, Dec 17, 2015 at 5:02 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote: > > Ups. You are right. I will go with msleep_interruptible(100). > > I don't think that's right. > > If a signal happens, that loop is now (again) just busy-looping. It's called only by a kernel thread so no signal_pending(). This relationship is a bit unobvious and fragile, but we do it in quite a few places. -- 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>