From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Date: Thu, 03 Feb 2005 17:41:05 +0000 Subject: Re: [rfc] generic allocator and mspec driver Message-Id: <200502030941.05780.jbarnes@engr.sgi.com> List-Id: References: <16897.9640.160896.31584@jaguar.mkp.net> In-Reply-To: <16897.9640.160896.31584@jaguar.mkp.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Wednesday, February 2, 2005 11:47 pm, Jes Sorensen wrote: > >>>>> "Jesse" = Jesse Barnes writes: > > Jesse> On Wednesday, February 2, 2005 11:10 am, Jes Sorensen wrote: > >> The remaining issue I am facing is that for the uncached pool I > >> want to make it node aware and we want to use the spill pages from > >> the lower granules for this pool which is easily done on > >> SN2. However I see no generic way to get from a physical address to > >> node id for pages that do not have a struct page assigned to > >> them. I am curious if anyone has any suggestions for how to solve > >> this in a generic way? > > Jesse> paddr_to_nid? > > It's not clear to me this covers the spill memory found in the lower > granules and second it's really really slow, though that may not be a > real problem. You're right, it won't deal with low addresses, only regular, cachable ones afaict. Jesse