linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Wei Yang <richard.weiyang@gmail.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Wei Yang <richard.weiyang@gmail.com>,
	cl@linux.com, penberg@kernel.org, rientjes@google.com,
	iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] mm/slub: wrap cpu_slab->partial in CONFIG_SLUB_CPU_PARTIAL
Date: Mon, 1 May 2017 23:15:26 +0800	[thread overview]
Message-ID: <20170501151526.GA1110@WeideMacBook-Pro.local> (raw)
In-Reply-To: <20170501143930.GJ27790@bombadil.infradead.org>

[-- Attachment #1: Type: text/plain, Size: 542 bytes --]

On Mon, May 01, 2017 at 07:39:30AM -0700, Matthew Wilcox wrote:
>On Mon, May 01, 2017 at 04:20:05PM +0800, Wei Yang wrote:
>> I have tried to replace the code with slub_cpu_partial(), it works fine on
>> most of cases except two:
>> 
>> 1. slub_cpu_partial(c) = page->next;
>
>New accessor: slub_set_cpu_partial(c, p)
>
>> 2. page = READ_ONCE(slub_cpu_partial(c));
>
>OK, that one I haven't seen an existing pattern for yet.
>slub_cpu_partial_read_once(c)?

Thanks~ You are really a genius.

-- 
Wei Yang
Help you, Help me

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 819 bytes --]

  reply	other threads:[~2017-05-01 15:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-30 11:31 [PATCH 0/3] try to save some memory for kmem_cache in some cases Wei Yang
2017-04-30 11:31 ` [PATCH 1/3] mm/slub: pack red_left_pad with another int to save a word Wei Yang
2017-04-30 11:31 ` [PATCH 2/3] mm/slub: wrap cpu_slab->partial in CONFIG_SLUB_CPU_PARTIAL Wei Yang
2017-05-01  2:41   ` Matthew Wilcox
2017-05-01  7:39     ` Wei Yang
2017-05-01  8:20     ` Wei Yang
2017-05-01 14:39       ` Matthew Wilcox
2017-05-01 15:15         ` Wei Yang [this message]
2017-04-30 11:31 ` [PATCH 3/3] mm/slub: wrap kmem_cache->cpu_partial in config CONFIG_SLUB_CPU_PARTIAL Wei Yang
2017-05-01 15:37   ` Wei Yang
2017-04-30 21:22 ` [PATCH 0/3] try to save some memory for kmem_cache in some cases Christoph Lameter

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=20170501151526.GA1110@WeideMacBook-Pro.local \
    --to=richard.weiyang@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=cl@linux.com \
    --cc=iamjoonsoo.kim@lge.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=penberg@kernel.org \
    --cc=rientjes@google.com \
    --cc=willy@infradead.org \
    --subject='Re: [PATCH 2/3] mm/slub: wrap cpu_slab->partial in CONFIG_SLUB_CPU_PARTIAL' \
    /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

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).