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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
