From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753017Ab1AYTlQ (ORCPT ); Tue, 25 Jan 2011 14:41:16 -0500 Received: from pfepb.post.tele.dk ([195.41.46.236]:43347 "EHLO pfepb.post.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751827Ab1AYTlP (ORCPT ); Tue, 25 Jan 2011 14:41:15 -0500 Date: Tue, 25 Jan 2011 20:41:12 +0100 From: Sam Ravnborg To: Peter Zijlstra Cc: Andrea Arcangeli , Avi Kivity , Thomas Gleixner , Rik van Riel , Ingo Molnar , akpm@linux-foundation.org, Linus Torvalds , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Benjamin Herrenschmidt , David Miller , Hugh Dickins , Mel Gorman , Nick Piggin , Paul McKenney , Yanmin Zhang Subject: Re: [PATCH 00/25] mm: Preemptibility -v7 Message-ID: <20110125194112.GA31419@merkur.ravnborg.org> References: <20110125173111.720927511@chello.nl> <20110125183240.GA31346@merkur.ravnborg.org> <1295983733.28776.1072.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1295983733.28776.1072.camel@laptop> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 25, 2011 at 08:28:53PM +0100, Peter Zijlstra wrote: > On Tue, 2011-01-25 at 19:32 +0100, Sam Ravnborg wrote: > > > Foregive me my ignorance.. > > Why is this relevant for sparc64 but not for sparc32? > > > > A quick grep showed up only this in sparc32 specific files: > > > > mm/init_32.c:DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); > > > > Maybe this is just something sparc32 does not support? > > sparc32 uses include/asm-generic/tlb.h, whereas sparc64 implements its > own variant. Ahh, thanks! Sam From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id 941626B00E9 for ; Tue, 25 Jan 2011 14:41:16 -0500 (EST) Date: Tue, 25 Jan 2011 20:41:12 +0100 From: Sam Ravnborg Subject: Re: [PATCH 00/25] mm: Preemptibility -v7 Message-ID: <20110125194112.GA31419@merkur.ravnborg.org> References: <20110125173111.720927511@chello.nl> <20110125183240.GA31346@merkur.ravnborg.org> <1295983733.28776.1072.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1295983733.28776.1072.camel@laptop> Sender: owner-linux-mm@kvack.org To: Peter Zijlstra Cc: Andrea Arcangeli , Avi Kivity , Thomas Gleixner , Rik van Riel , Ingo Molnar , akpm@linux-foundation.org, Linus Torvalds , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Benjamin Herrenschmidt , David Miller , Hugh Dickins , Mel Gorman , Nick Piggin , Paul McKenney , Yanmin Zhang List-ID: On Tue, Jan 25, 2011 at 08:28:53PM +0100, Peter Zijlstra wrote: > On Tue, 2011-01-25 at 19:32 +0100, Sam Ravnborg wrote: > > > Foregive me my ignorance.. > > Why is this relevant for sparc64 but not for sparc32? > > > > A quick grep showed up only this in sparc32 specific files: > > > > mm/init_32.c:DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); > > > > Maybe this is just something sparc32 does not support? > > sparc32 uses include/asm-generic/tlb.h, whereas sparc64 implements its > own variant. Ahh, thanks! Sam -- 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/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: email@kvack.org