From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 14 Sep 2004 21:48:08 -0300 From: Marcelo Tosatti Subject: Re: [PATCH] shrink per_cpu_pages to fit 32byte cacheline Message-ID: <20040915004808.GA491@logos.cnet> References: <20040913233835.GA23894@logos.cnet> <1095142204.2698.12.camel@laptop.fenrus.com> <20040914093407.GA23935@logos.cnet> <20040914111329.GB21362@devserv.devel.redhat.com> <20040914100152.GB23935@logos.cnet> <20040914114412.GC21362@devserv.devel.redhat.com> <20040914224555.GA714@logos.cnet> <4147936B.5080500@yahoo.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4147936B.5080500@yahoo.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Arjan van de Ven , akpm@osdl.org, "Martin J. Bligh" , linux-mm@kvack.org List-ID: On Wed, Sep 15, 2004 at 10:57:15AM +1000, Nick Piggin wrote: > Marcelo Tosatti wrote: > > >>some version of that; I can't find it in my current one though. Hrmpf > >>Maybe there's someone from intel or amd on this list who can confirm the > >>performance impact of the 0x66 operand size override prefix > > > > > >Prefix "data16" I see... Well it doesnt seem anyone really familiar with > >this is part of the list - who you think would be sure about this? > > > >Jun Nakajima maybe? > > > >We need to be sure because we've just done for pagevec's. > > You could leave them as ints, and just make the size of the pagevec > 14 on 32-bit archs and 15 on 64-bit ones. Indeed! -- 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: aart@kvack.org