From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 26 Dec 2004 15:12:45 -0800 (PST) From: Linus Torvalds Subject: Re: Prezeroing V2 [3/4]: Add support for ZEROED and NOT_ZEROED free maps In-Reply-To: <87wtv464ty.fsf@deneb.enyo.de> Message-ID: References: <87wtv464ty.fsf@deneb.enyo.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Florian Weimer Cc: 7eggert@gmx.de, Christoph Lameter , akpm@osdl.org, linux-ia64@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Mon, 27 Dec 2004, Florian Weimer wrote: > > But overwritting with zeros is commonly called "scrubbing", as in > "password scrubbing". On the other hand, "memory scrubbing" in an OS sense is most often used for reading and re-writing the same thing to fix correctable ECC failures. Anyway, at this point I think the most interesting question is whether it actually improves any macro-benchmark behaviour, rather than just a page fault latency tester microbenchmark.. Linus -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org