From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: [Bug #12872] pwc mmap always fails with EAGAIN Date: Mon, 23 Mar 2009 07:12:18 -0700 Message-ID: <20090323071218.286c10e0@infradead.org> References: <20090322142837.2df0d93d@lxorguk.ukuu.org.uk> <20090322144516.GA13129@elte.hu> <200903222058.12924.M4rkusXXL@web.de> <7b6bb4a50903230341r6ab4a910l401a49d41aa289c7@mail.gmail.com> <20090323104945.0fc497e6@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090323104945.0fc497e6-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Alan Cox Cc: =?UTF-8?B?5bCP5aSp?= , Markus , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ingo Molnar , "Rafael J. Wysocki" , Kernel Testers List On Mon, 23 Mar 2009 10:49:45 +0000 Alan Cox wrote: > > > Rename the pagerange_is_ram() to pat_pagerange_is_ram() and > > > add the "track legacy 1MB region as non RAM" condition. > > But the lowest 640K are most definitely RAM. not all of it ;) "ram" is defined as "the kernel memory allocator knows about it and would hand it out" in this context; BIOS owned areas are not "ram" in this context. -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org