From: Johannes Weiner <hannes@cmpxchg.org>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>,
linux-mm@kvack.org, intel-gfx@lists.freedesktop.org, "Goel,
Akash" <akash.goel@intel.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [Intel-gfx] [PATCH v2 1/2] mm: Export nr_swap_pages
Date: Wed, 23 Dec 2015 17:04:27 -0500 [thread overview]
Message-ID: <20151223220427.GA11412@cmpxchg.org> (raw)
In-Reply-To: <20151210093242.GH20822@phenom.ffwll.local>
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 <chris@chris-wilson.co.uk>
> > > Cc: "Goel, Akash" <akash.goel@intel.com>
> > > Cc: Johannes Weiner <hannes@cmpxchg.org>
> > > Cc: linux-mm@kvack.org
> >
> > Acked-by: Johannes Weiner <hannes@cmpxchg.org>
>
> 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.
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next prev parent reply other threads:[~2015-12-23 22:04 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 15:58 [PATCH v2 1/2] mm: Export nr_swap_pages Chris Wilson
2015-12-04 15:58 ` [PATCH v2 2/2] drm/i915: Disable shrinker for non-swapped backed objects Chris Wilson
2015-12-04 16:11 ` Johannes Weiner
2015-12-10 9:34 ` Daniel Vetter
2015-12-04 16:09 ` [PATCH v2 1/2] mm: Export nr_swap_pages Johannes Weiner
2015-12-10 9:32 ` [Intel-gfx] " Daniel Vetter
2015-12-23 22:04 ` Johannes Weiner [this message]
2015-12-23 22:26 ` Andrew Morton
2016-01-05 10:05 ` Daniel Vetter
2015-12-07 13:48 ` Michal Hocko
2015-12-07 16:48 ` Johannes Weiner
2015-12-07 17:04 ` Michal Hocko
2015-12-07 18:02 ` Johannes Weiner
2015-12-07 18:10 ` [Intel-gfx] " Dave Gordon
2015-12-07 19:13 ` Johannes Weiner
2015-12-08 11:19 ` Dave Gordon
2015-12-08 11:22 ` Michal Hocko
2015-12-17 18:15 ` [PATCH v3] mm: Export {__}get_nr_swap_pages() Dave Gordon
2015-12-17 19:45 ` Johannes Weiner
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