From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Weimer Date: Sun, 26 Dec 2004 23:24:56 +0000 Subject: Re: Prezeroing V2 [3/4]: Add support for ZEROED and NOT_ZEROED free maps Message-Id: <87llbk63sn.fsf@deneb.enyo.de> List-Id: References: <87wtv464ty.fsf@deneb.enyo.de> In-Reply-To: (Linus Torvalds's message of "Sun, 26 Dec 2004 15:12:45 -0800 (PST)") MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Linus Torvalds Cc: 7eggert@gmx.de, Christoph Lameter , akpm@osdl.org, linux-ia64@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org * Linus Torvalds: > 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.. By the way, some crazy idea that occurred to me: What about incrementally scrubbing a page which has been assigned previously to this CPU, while spinning inside spinlocks (or busy-waiting somewhere else)?