From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f46.google.com (mail-wm0-f46.google.com [74.125.82.46]) by kanga.kvack.org (Postfix) with ESMTP id 7877182F97 for ; Wed, 23 Dec 2015 17:04:47 -0500 (EST) Received: by mail-wm0-f46.google.com with SMTP id l126so161441395wml.1 for ; Wed, 23 Dec 2015 14:04:47 -0800 (PST) Received: from gum.cmpxchg.org (gum.cmpxchg.org. [85.214.110.215]) by mx.google.com with ESMTPS id e17si67337478wjr.188.2015.12.23.14.04.46 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 23 Dec 2015 14:04:46 -0800 (PST) Date: Wed, 23 Dec 2015 17:04:27 -0500 From: Johannes Weiner Subject: Re: [Intel-gfx] [PATCH v2 1/2] mm: Export nr_swap_pages Message-ID: <20151223220427.GA11412@cmpxchg.org> References: <1449244734-25733-1-git-send-email-chris@chris-wilson.co.uk> <20151204160952.GA24927@cmpxchg.org> <20151210093242.GH20822@phenom.ffwll.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151210093242.GH20822@phenom.ffwll.local> Sender: owner-linux-mm@kvack.org List-ID: To: Daniel Vetter Cc: Chris Wilson , linux-mm@kvack.org, intel-gfx@lists.freedesktop.org, "Goel, Akash" , Andrew Morton On Thu, Dec 10, 2015 at 10:32:42AM +0100, Daniel Vetter wrote: > On Fri, Dec 04, 2015 at 11:09:52AM -0500, Johannes Weiner wrote: > > On Fri, Dec 04, 2015 at 03:58:53PM +0000, Chris Wilson wrote: > > > Some modules, like i915.ko, use swappable objects and may try to swap > > > them out under memory pressure (via the shrinker). Before doing so, they > > > want to check using get_nr_swap_pages() to see if any swap space is > > > available as otherwise they will waste time purging the object from the > > > device without recovering any memory for the system. This requires the > > > nr_swap_pages counter to be exported to the modules. > > > > > > Signed-off-by: Chris Wilson > > > Cc: "Goel, Akash" > > > Cc: Johannes Weiner > > > Cc: linux-mm@kvack.org > > > > Acked-by: Johannes Weiner > > Ack for merging this through drm-intel trees for 4.5? I'm a bit unclear > who's ack I need for that for linux-mm topics ... Andrew would be the -mm maintainer. CC'd. -- 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