linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Vlastimil Babka <vbabka@suse.cz>
To: David Rientjes <rientjes@google.com>,
	Julian Pidancet <julian.pidancet@oracle.com>
Cc: Christoph Lameter <cl@linux.com>,
	"Lameter, Christopher" <cl@os.amperecomputing.com>,
	Pekka Enberg <penberg@kernel.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Roman Gushchin <roman.gushchin@linux.dev>,
	Hyeonggon Yoo <42.hyeyoo@gmail.com>,
	linux-mm@kvack.org, Jonathan Corbet <corbet@lwn.net>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Matthew Wilcox <willy@infradead.org>,
	Kees Cook <keescook@chromium.org>,
	Rafael Aquini <aquini@redhat.com>
Subject: Re: [PATCH v2] mm/slub: disable slab merging in the default configuration
Date: Mon, 10 Jul 2023 16:56:12 +0200	[thread overview]
Message-ID: <598673f2-66e0-dc9c-4469-e0680685d81c@suse.cz> (raw)
In-Reply-To: <8813897d-4a52-37a0-fe44-a9157716be9b@google.com>

On 7/3/23 22:17, David Rientjes wrote:
> Additionally, I wouldn't consider this to be super urgent: slab cache 
> merging has been this way for several years, we have some time to do an 
> assessment of the implications of changing an important aspect of kernel 
> memory allocation that will affect everybody.

Agreed, although I wouldn't say "affect everybody" because the changed
upstream default may not automatically translate to what distros will use,
and I'd expect most people rely on distro kernels.

> I agree with the patch if 
> we can make it work, I'd just like to study the effect of it more fully 
> beyond some kernbench runs.



      parent reply	other threads:[~2023-07-10 14:56 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-29 22:19 [PATCH v2] mm/slub: disable slab merging in the default configuration Julian Pidancet
2023-07-03  0:09 ` David Rientjes
2023-07-03 10:33   ` Julian Pidancet
2023-07-03 18:38     ` Kees Cook
2023-07-03 20:17     ` David Rientjes
2023-07-06  7:38       ` David Rientjes
2023-07-09  8:55         ` David Rientjes
2023-07-10  2:40           ` David Rientjes
2023-07-18 12:08             ` Julian Pidancet
2023-07-25 23:25               ` David Rientjes
2023-07-26  8:34                 ` Vlastimil Babka
2023-07-10 14:56       ` Vlastimil Babka [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=598673f2-66e0-dc9c-4469-e0680685d81c@suse.cz \
    --to=vbabka@suse.cz \
    --cc=42.hyeyoo@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=aquini@redhat.com \
    --cc=cl@linux.com \
    --cc=cl@os.amperecomputing.com \
    --cc=corbet@lwn.net \
    --cc=iamjoonsoo.kim@lge.com \
    --cc=julian.pidancet@oracle.com \
    --cc=keescook@chromium.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=penberg@kernel.org \
    --cc=rientjes@google.com \
    --cc=roman.gushchin@linux.dev \
    --cc=willy@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).