From: Christoph Hellwig <hch@lst.de>
To: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Matthew Wilcox <willy@infradead.org>,
Namjae Jeon <namjae.jeon@samsung.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-cifs@vger.kernel.org,
linux-cifsd-devel@lists.sourceforge.net, smfrench@gmail.com,
hyc.lee@gmail.com, viro@zeniv.linux.org.uk, hch@lst.de,
hch@infradead.org, ronniesahlberg@gmail.com,
aurelien.aptel@gmail.com, aaptel@suse.com, sandeen@sandeen.net,
dan.carpenter@oracle.com, colin.king@canonical.com,
rdunlap@infradead.org,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Steve French <stfrench@microsoft.com>
Subject: Re: [PATCH 3/5] cifsd: add file operations
Date: Mon, 22 Mar 2021 14:57:18 +0100 [thread overview]
Message-ID: <20210322135718.GA28451@lst.de> (raw)
In-Reply-To: <YFhdWeedjQQgJdbi@google.com>
On Mon, Mar 22, 2021 at 06:03:21PM +0900, Sergey Senozhatsky wrote:
> On (21/03/22 08:15), Matthew Wilcox wrote:
> >
> > What's the scenario for which your allocator performs better than slub
> >
>
> IIRC request and reply buffers can be up to 4M in size. So this stuff
> just allocates a number of fat buffers and keeps them around so that
> it doesn't have to vmalloc(4M) for every request and every response.
Do we have any data suggesting it is faster than vmalloc?
next prev parent reply other threads:[~2021-03-22 13:58 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210322052203epcas1p21fe2d04c4df5396c466c38f4d57d8bb8@epcas1p2.samsung.com>
2021-03-22 5:13 ` [PATCH 0/5] cifsd: introduce new SMB3 kernel server Namjae Jeon
2021-03-22 5:13 ` [PATCH 1/5] cifsd: add server handler and tranport layers Namjae Jeon
2021-03-22 22:18 ` Matthew Wilcox
2021-03-23 3:01 ` Namjae Jeon
2021-03-23 3:12 ` Matthew Wilcox
2021-03-23 3:16 ` Namjae Jeon
2021-03-22 5:13 ` [PATCH 2/5] cifsd: add server-side procedures for SMB3 Namjae Jeon
2021-03-22 6:47 ` Dan Carpenter
2021-03-22 6:50 ` Christoph Hellwig
2021-03-22 13:25 ` [Linux-cifsd-devel] " Stefan Metzmacher
2021-03-22 23:20 ` Namjae Jeon
2021-03-22 23:17 ` Namjae Jeon
2021-03-23 7:19 ` Dan Carpenter
2021-03-25 5:25 ` Sebastian Gottschall
2021-03-22 8:34 ` Matthew Wilcox
2021-03-22 10:27 ` Sergey Senozhatsky
2021-03-22 13:12 ` Matthew Wilcox
2021-03-22 5:13 ` [PATCH 3/5] cifsd: add file operations Namjae Jeon
2021-03-22 6:55 ` Al Viro
2021-03-23 0:12 ` Namjae Jeon
2021-03-22 7:02 ` Al Viro
2021-03-22 9:26 ` Sergey Senozhatsky
2021-03-22 7:04 ` Dan Carpenter
2021-03-22 9:39 ` Sergey Senozhatsky
2021-03-22 8:15 ` Matthew Wilcox
2021-03-22 9:03 ` Sergey Senozhatsky
2021-03-22 13:02 ` Matthew Wilcox
2021-03-22 13:57 ` Christoph Hellwig [this message]
2021-03-22 14:40 ` Matthew Wilcox
2021-03-22 17:09 ` Matthew Wilcox
2021-03-23 0:05 ` Sergey Senozhatsky
2021-03-22 16:16 ` Schaufler, Casey
2021-03-23 0:21 ` Namjae Jeon
2021-03-22 5:13 ` [PATCH 4/5] cifsd: add Kconfig and Makefile Namjae Jeon
2021-03-22 5:13 ` [PATCH 5/5] MAINTAINERS: add cifsd kernel server Namjae Jeon
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=20210322135718.GA28451@lst.de \
--to=hch@lst.de \
--cc=aaptel@suse.com \
--cc=aurelien.aptel@gmail.com \
--cc=colin.king@canonical.com \
--cc=dan.carpenter@oracle.com \
--cc=hch@infradead.org \
--cc=hyc.lee@gmail.com \
--cc=linux-cifs@vger.kernel.org \
--cc=linux-cifsd-devel@lists.sourceforge.net \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=namjae.jeon@samsung.com \
--cc=rdunlap@infradead.org \
--cc=ronniesahlberg@gmail.com \
--cc=sandeen@sandeen.net \
--cc=senozhatsky@chromium.org \
--cc=sergey.senozhatsky@gmail.com \
--cc=smfrench@gmail.com \
--cc=stfrench@microsoft.com \
--cc=viro@zeniv.linux.org.uk \
--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