On Tue, 22 Dec 2015, Dave Hansen wrote: > > Why would you use zeros? The point is just to clear the information right? > > The regular poisoning does that. > > It then allows you to avoid the zeroing at allocation time. Well much of the code is expecting a zeroed object from the allocator and its zeroed at that time. Zeroing makes the object cache hot which is an important performance aspect. -- 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>