From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Schwidefsky Subject: Re: [PATCH 00/21] mm: Preemptibility -v6 Date: Mon, 31 Jan 2011 11:02:37 +0100 Message-ID: <20110131110237.41d48000@mschwide.boeblingen.de.ibm.com> References: <20101126143843.801484792@chello.nl> <1295457039.28776.137.camel@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1295457039.28776.137.camel@laptop> Sender: owner-linux-mm@kvack.org To: Peter Zijlstra Cc: Hugh Dickins , Andrew Morton , Benjamin Herrenschmidt , David Miller , Nick Piggin , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Andrea Arcangeli List-Id: linux-arch.vger.kernel.org On Wed, 19 Jan 2011 18:10:39 +0100 Peter Zijlstra wrote: > On Mon, 2011-01-17 at 23:12 -0800, Hugh Dickins wrote: > > > 11/21 s390-preemptible_mmu_gather.patch > > I'd prefer __tlb_alloc_page(), with __GFP_NOWARN as suggested above. > > mm/pgtable.c still has DEFINE_PER_CPU(struct mmu_gather, mmu_gathers). > > Martin, while doing the below DEFINE_PER_CPU removal I saw you had a > bunch of RCU table removal thingies in arch/s390/mm/pgtable.c, could > s390 use the generic bits like sparc and powerpc (see patch 16)? Maybe, I will have a look at it. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mtagate3.uk.ibm.com ([194.196.100.163]:37240 "EHLO mtagate3.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751368Ab1AaKCk (ORCPT ); Mon, 31 Jan 2011 05:02:40 -0500 Date: Mon, 31 Jan 2011 11:02:37 +0100 From: Martin Schwidefsky Subject: Re: [PATCH 00/21] mm: Preemptibility -v6 Message-ID: <20110131110237.41d48000@mschwide.boeblingen.de.ibm.com> In-Reply-To: <1295457039.28776.137.camel@laptop> References: <20101126143843.801484792@chello.nl> <1295457039.28776.137.camel@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org List-ID: To: Peter Zijlstra Cc: Hugh Dickins , Andrew Morton , Benjamin Herrenschmidt , David Miller , Nick Piggin , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Andrea Arcangeli Message-ID: <20110131100237.Vrv1FnPH4mPn7KPHGJF1bkiFmtCMn7A2xfIHYbYHg6U@z> On Wed, 19 Jan 2011 18:10:39 +0100 Peter Zijlstra wrote: > On Mon, 2011-01-17 at 23:12 -0800, Hugh Dickins wrote: > > > 11/21 s390-preemptible_mmu_gather.patch > > I'd prefer __tlb_alloc_page(), with __GFP_NOWARN as suggested above. > > mm/pgtable.c still has DEFINE_PER_CPU(struct mmu_gather, mmu_gathers). > > Martin, while doing the below DEFINE_PER_CPU removal I saw you had a > bunch of RCU table removal thingies in arch/s390/mm/pgtable.c, could > s390 use the generic bits like sparc and powerpc (see patch 16)? Maybe, I will have a look at it. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.