From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Date: Thu, 04 Nov 2004 17:33:05 +0000 Subject: Re: [RFC] prefer allocations from nodes w/o CPUs Message-Id: <200411040933.05308.jbarnes@engr.sgi.com> List-Id: References: <200411040857.25664.jbarnes@engr.sgi.com> In-Reply-To: <200411040857.25664.jbarnes@engr.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Thursday, November 4, 2004 9:32 am, Alex Tsariounov wrote: > On Thu, Nov 04, 2004 at 10:11:19AM -0700, Alex Williamson wrote: > > On Thu, 2004-11-04 at 08:57 -0800, Jesse Barnes wrote: > > > Small patch for the ia64 version of topology.h to make the zonelist > > > building code prefer nodes w/o CPUs for allocations. Do any platforms > > > aside from Altix have nodes with only memory? If not, then this will > > > only affect sn2, otherwise I'm interested in hearing feedback. > > > > Yes, hp sx1000 systems represent interleaved memory in a separate > > node w/o cpus. > > So what's the ramifications of this patch? Does this mean that > interleaved memory will now be preferably allocated over cell > local memory on sx1000 systems? Memory local to the node will come first, followed by the closest memory that doesn't have associated CPUs, followed by memory belonging to other CPUs. Jesse