From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 19 Sep 2006 10:50:44 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH] Get rid of zone_table V2 In-Reply-To: <45101EAE.2070303@yahoo.com.au> Message-ID: References: <20060918132818.603196e2.akpm@osdl.org> <20060918161528.9714c30c.akpm@osdl.org> <20060918165808.c410d1d4.akpm@osdl.org> <20060918173134.d3850903.akpm@osdl.org> <20060918233337.ef539a2b.akpm@osdl.org> <20060919083851.75b26075.akpm@osdl.org> <4510196A.5090306@yahoo.com.au> <45101EAE.2070303@yahoo.com.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Andrew Morton , linux-mm@kvack.org, Andy Whitcroft , Dave Hansen List-ID: On Wed, 20 Sep 2006, Nick Piggin wrote: > BTW. I wonder why gcc isn't using two shifts in your example? Not that > I think it would be great even if it were, because subtle differences > could cause that to become more shifts... Perhaps multiply is highly optimized in contemporary processors and I am worrying too much about the multiply? -- 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