Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751744AbZDNKLm (ORCPT ); Tue, 14 Apr 2009 06:11:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751215AbZDNKLb (ORCPT ); Tue, 14 Apr 2009 06:11:31 -0400 Received: from mx2.redhat.com ([66.187.237.31]:36673 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750864AbZDNKLa (ORCPT ); Tue, 14 Apr 2009 06:11:30 -0400 Message-ID: <49E46057.6000506@redhat.com> Date: Tue, 14 Apr 2009 13:07:19 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Andi Kleen CC: Linus Torvalds , Alan Cox , Szabolcs Szakacsits , Grant Grundler , Linux IDE mailing list , LKML , Jens Axboe , Arjan van de Ven Subject: Re: Implementing NVMHCI... References: <20090412091228.GA29937@elte.hu> <20090412162018.6c1507b4@lxorguk.ukuu.org.uk> <49E213AE.4060506@redhat.com> <49E2DC96.6090407@redhat.com> <874owr8ztm.fsf@basil.nowhere.org> In-Reply-To: <874owr8ztm.fsf@basil.nowhere.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 838 Lines: 24 Andi Kleen wrote: > Linus Torvalds writes: > >> You absolutely do _not_ want to manage memory in 16kB chunks (or 64kB for >> your example!). >> > > AFAIK at least for user visible anonymous memory Windows uses 64k > chunks. At least that is what Cygwin's mmap exposes. I don't know > if it does the same for disk cache. > I think that's just the region address and size granularity (as in vmas). For paging they still use the mmu page size. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/