From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx155.postini.com [74.125.245.155]) by kanga.kvack.org (Postfix) with SMTP id EFE5C6B0032 for ; Tue, 13 Aug 2013 19:55:22 -0400 (EDT) Received: by mail-vc0-f171.google.com with SMTP id ij15so4565650vcb.16 for ; Tue, 13 Aug 2013 16:55:22 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20130813231020.GA22667@asylum.americas.sgi.com> References: <1375465467-40488-1-git-send-email-nzimmer@sgi.com> <1376344480-156708-1-git-send-email-nzimmer@sgi.com> <520A6DFC.1070201@sgi.com> <20130813231020.GA22667@asylum.americas.sgi.com> Date: Tue, 13 Aug 2013 16:55:21 -0700 Message-ID: Subject: Re: [RFC v3 0/5] Transparent on-demand struct page initialization embedded in the buddy allocator From: Linus Torvalds Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Nathan Zimmer Cc: Mike Travis , Peter Anvin , Ingo Molnar , Linux Kernel Mailing List , linux-mm , Robin Holt , Rob Landley , Daniel J Blueman , Andrew Morton , Greg Kroah-Hartman , Yinghai Lu , Mel Gorman On Tue, Aug 13, 2013 at 4:10 PM, Nathan Zimmer wrote: > > The only mm structure we are adding to is a new flag in page->flags. > That didn't seem too much. I don't agree. I see only downsides, and no upsides. Doing the same thing *without* the downsides seems straightforward, so I simply see no reason for any extra flags or tests at runtime. 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: email@kvack.org