From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 10 Mar 2005 14:33:14 +0000 From: Matthew Wilcox Subject: Re: no-arch-specific-mem_map-init Message-ID: <20050310143314.GH21986@parcelfarce.linux.theplanet.co.uk> References: <20050310141804.GF21986@parcelfarce.linux.theplanet.co.uk> <20050309225833.6d80fc42.akpm@osdl.org> <14917.1110465046@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <14917.1110465046@redhat.com> Sender: To: David Howells Cc: Matthew Wilcox , Andrew Morton , linux-arch@vger.kernel.org, Dave Hansen , Randolph Chung List-ID: On Thu, Mar 10, 2005 at 02:30:46PM +0000, David Howells wrote: > Matthew Wilcox wrote: > > > > > Something that may not be intuitively obvious to someone with i386 biases > > is that on PA-RISC (at least in the case of CONFIG_DISCONTIGMEM=n), all > > memory is in ZONE_DMA. Does that help divine what the right answer is > > for parisc? > > It's probably assuming that since ZONE_DMA is zone 0, the DMA capable zone is > at the bottom of any chunk of memory (node). Oh, and we don't currently support any of the NUMA PA-RISC boxes, so there's only the one node ... -- "Next the statesmen will invent cheap lies, putting the blame upon the nation that is attacked, and every man will be glad of those conscience-soothing falsities, and will diligently study them, and refuse to examine any refutations of them; and thus he will by and by convince himself that the war is just, and will thank God for the better sleep he enjoys after this process of grotesque self-deception." -- Mark Twain