From: Mikulas Patocka <mpatocka@redhat.com>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Mike Snitzer <snitzer@redhat.com>,
Christopher Lameter <cl@linux.com>,
Matthew Wilcox <willy@infradead.org>,
Pekka Enberg <penberg@kernel.org>,
linux-mm@kvack.org, dm-devel@redhat.com,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: slab: introduce the flag SLAB_MINIMIZE_WASTE
Date: Mon, 16 Apr 2018 17:04:12 -0400 (EDT) [thread overview]
Message-ID: <alpine.LRH.2.02.1804161703171.7237@file01.intranet.prod.int.rdu2.redhat.com> (raw)
In-Reply-To: <ee8807ff-d650-0064-70bf-e1d77fa61f5c@suse.cz>
On Mon, 16 Apr 2018, Vlastimil Babka wrote:
> On 04/13/2018 05:10 PM, Mike Snitzer wrote:
> > On Fri, Apr 13 2018 at 5:22am -0400,
> > Vlastimil Babka <vbabka@suse.cz> wrote:
> >>
> >> Would this perhaps be a good LSF/MM discussion topic? Mikulas, are you
> >> attending, or anyone else that can vouch for your usecase?
> >
> > Any further discussion on SLAB_MINIMIZE_WASTE should continue on list.
> >
> > Mikulas won't be at LSF/MM. But I included Mikulas' dm-bufio changes
> > that no longer depend on this proposed SLAB_MINIMIZE_WASTE (as part of
> > the 4.17 merge window).
>
> Can you or Mikulas briefly summarize how the dependency is avoided, and
This was Mike's misconception - dm-bufio actually needs the
SLAB_MINIMIZE_WASTE patch, otherwise it is wasting memory.
> whether if (something like) SLAB_MINIMIZE_WASTE were implemented, the
> dm-bufio code would happily switch to it, or not?
>
> Thanks,
> Vlastimil
Mikulas
prev parent reply other threads:[~2018-04-16 21:04 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-20 17:25 [PATCH] " Mikulas Patocka
2018-03-20 17:35 ` Matthew Wilcox
2018-03-20 17:54 ` Christopher Lameter
2018-03-20 19:22 ` Mikulas Patocka
2018-03-20 20:42 ` Christopher Lameter
2018-03-20 22:02 ` Mikulas Patocka
2018-03-21 15:35 ` Christopher Lameter
2018-03-21 16:25 ` Mikulas Patocka
2018-03-21 17:10 ` Matthew Wilcox
2018-03-21 17:30 ` Christopher Lameter
2018-03-21 17:39 ` Christopher Lameter
2018-03-21 17:49 ` Matthew Wilcox
2018-03-21 18:01 ` Christopher Lameter
2018-03-21 18:23 ` Mikulas Patocka
2018-03-21 18:40 ` Christopher Lameter
2018-03-21 18:55 ` Mikulas Patocka
2018-03-21 18:55 ` Matthew Wilcox
2018-03-21 18:58 ` Christopher Lameter
2018-03-21 19:25 ` Mikulas Patocka
2018-03-21 18:36 ` Mikulas Patocka
2018-03-21 18:57 ` Christopher Lameter
2018-03-21 19:19 ` Mikulas Patocka
2018-03-21 20:09 ` Christopher Lameter
2018-03-21 20:37 ` Mikulas Patocka
2018-03-23 15:10 ` Christopher Lameter
2018-03-23 15:31 ` Mikulas Patocka
2018-03-23 15:48 ` Christopher Lameter
2018-04-13 9:22 ` Vlastimil Babka
2018-04-13 15:10 ` Mike Snitzer
2018-04-16 12:38 ` Vlastimil Babka
2018-04-16 14:27 ` Mike Snitzer
2018-04-16 14:37 ` Mikulas Patocka
2018-04-16 14:46 ` Mike Snitzer
2018-04-16 14:57 ` Mikulas Patocka
2018-04-16 15:18 ` Christopher Lameter
2018-04-16 15:25 ` Mikulas Patocka
2018-04-16 15:45 ` Christopher Lameter
2018-04-16 19:36 ` Mikulas Patocka
2018-04-16 19:53 ` Vlastimil Babka
2018-04-16 21:01 ` Mikulas Patocka
2018-04-17 14:40 ` Christopher Lameter
2018-04-17 18:53 ` Mikulas Patocka
2018-04-17 21:42 ` Christopher Lameter
2018-04-17 14:49 ` Christopher Lameter
2018-04-17 14:47 ` Christopher Lameter
2018-04-16 19:32 ` [PATCH RESEND] " Mikulas Patocka
2018-04-17 14:45 ` Christopher Lameter
2018-04-17 16:16 ` Vlastimil Babka
2018-04-17 16:38 ` Christopher Lameter
2018-04-17 19:09 ` Mikulas Patocka
2018-04-17 17:26 ` Mikulas Patocka
2018-04-17 19:13 ` Vlastimil Babka
2018-04-17 19:06 ` Mikulas Patocka
2018-04-18 14:55 ` Christopher Lameter
2018-04-25 21:04 ` Mikulas Patocka
2018-04-25 23:24 ` Mikulas Patocka
2018-04-26 19:01 ` Christopher Lameter
2018-04-26 21:09 ` Mikulas Patocka
2018-04-27 16:41 ` Christopher Lameter
2018-04-27 19:19 ` Mikulas Patocka
2018-06-13 17:01 ` Mikulas Patocka
2018-06-13 18:16 ` Christoph Hellwig
2018-06-13 18:53 ` Mikulas Patocka
2018-04-26 18:51 ` Christopher Lameter
2018-04-16 19:38 ` Vlastimil Babka
2018-04-16 21:04 ` Mikulas Patocka [this message]
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