From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with ESMTP id 6BC288D0039 for ; Tue, 18 Jan 2011 05:45:07 -0500 (EST) Subject: Re: [PATCH 00/21] mm: Preemptibility -v6 From: Peter Zijlstra In-Reply-To: References: <20101126143843.801484792@chello.nl> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 18 Jan 2011 11:44:44 +0100 Message-ID: <1295347484.30950.495.camel@laptop> Mime-Version: 1.0 Sender: owner-linux-mm@kvack.org To: Hugh Dickins Cc: Andrew Morton , Benjamin Herrenschmidt , David Miller , Nick Piggin , Martin Schwidefsky , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org List-ID: On Mon, 2011-01-17 at 23:12 -0800, Hugh Dickins wrote: > 18/21 mutex-provide_mutex_is_contended.patch > I suppose so, though if we use it in the truncate path, then we are > stuck with the vm_truncate_count stuff I'd rather hoped would go aw= ay; > but I guess you're right, that if we did spin_needbreak/need_lockbr= eak > before, then we ought to do this now - though I suspect I only adde= d > it because I had to insert a resched-point anyway, and it seemed a = good > idea at the time to check lockbreak too since that had just been ad= ded.=20 Like the other missed cleanups now possible, these are things we can most definitely look at once the dust settles a bit. I just didn't want to rewrite the world in one go. -- 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