From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 19 Jan 2007 09:54:53 -0800 (PST) From: Christoph Lameter Subject: Re: Possible ways of dealing with OOM conditions. In-Reply-To: <1169141513.6197.115.camel@twins> Message-ID: References: <20070116132503.GA23144@2ka.mipt.ru> <1168955274.22935.47.camel@twins> <20070116153315.GB710@2ka.mipt.ru> <1168963695.22935.78.camel@twins> <20070117045426.GA20921@2ka.mipt.ru> <1169024848.22935.109.camel@twins> <20070118104144.GA20925@2ka.mipt.ru> <1169122724.6197.50.camel@twins> <20070118135839.GA7075@2ka.mipt.ru> <1169133052.6197.96.camel@twins> <20070118155003.GA6719@2ka.mipt.ru> <1169141513.6197.115.camel@twins> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: Evgeniy Polyakov , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-mm@kvack.org, David Miller List-ID: On Thu, 18 Jan 2007, Peter Zijlstra wrote: > > > Cache misses for small packet flow due to the fact, that the same data > > is allocated and freed and accessed on different CPUs will become an > > issue soon, not right now, since two-four core CPUs are not yet to be > > very popular and price for the cache miss is not _that_ high. > > SGI does networking too, right? Sslab deals with those issues the right way. We have per processor queues that attempt to keep the cache hot state. A special shared queue exists between neighboring processors to facilitate exchange of objects between then. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org