From mboxrd@z Thu Jan 1 00:00:00 1970 From: steve.capper@linaro.org (Steve Capper) Date: Mon, 20 Oct 2014 15:30:46 +0100 Subject: [RFC PATCH 4/4] arm64:numa: adding numa support for arm64 platforms. In-Reply-To: <20141020142555.GA9968@linaro.org> References: <1411635840-24038-1-git-send-email-ganapatrao.kulkarni@caviumnetworks.com> <1411635840-24038-5-git-send-email-ganapatrao.kulkarni@caviumnetworks.com> <20141003121343.GG26643@leverpostej> <20141006112640.GF24686@leverpostej> <20141020142555.GA9968@linaro.org> Message-ID: <20141020143045.GA10233@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Oct 20, 2014 at 03:25:56PM +0100, Steve Capper wrote: > On Fri, Oct 17, 2014 at 10:49:56PM +0530, Ganapatrao Kulkarni wrote: [...] > /*Proximity Distance matrix for 4Node system > > > > */ > > node-matrix= <0 0 10>, > > <0 1 20>, > > <0 2 30>, > > <0 3 10>, > > <1 0 20>, > > <1 1 10>, > > <1 2 30>, > > <1 3 10>, > > <2 0 30>, > > <2 1 20>, > > <2 2 10>, > > <2 3 10>, > > <3 0 10>, > > <3 1 20>, > > <3 2 30>, > > <3 3 10>, > > } > > Hi Ganapat, > The above caught my attention. > > For a 4-node system do we not need 16 distances; the implication of that > would be that the distance between node A-B could be different from the > distance between B-A? Also the distance from a node to itself could be > safely assumed to be zero? > > I think we should have a symmetric matrix with zero-diagonals so strictly > only seven values would need specifying for a 4-node system. s/seven/six/ I really need to learn how to count.... :-/ > > Cheers, > -- > Steve