linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Joe Perches <joe@perches.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [RFC PATCH] meminfo: Break apart a very long seq_printf with #ifdefs
Date: Thu, 11 Aug 2016 14:57:53 -0700	[thread overview]
Message-ID: <1470952673.14552.32.camel@perches.com> (raw)
In-Reply-To: <20160811145012.3285b5bd289a8d2155ae78a3@linux-foundation.org>

On Thu, 2016-08-11 at 14:50 -0700, Andrew Morton wrote:
> On Tue,  9 Aug 2016 23:38:56 -0700 Joe Perches <joe@perches.com> wrote:
> > Use a specific routine to emit most lines so that the code is
> > easier to read and maintain.
> huh.
> 
>    text    data     bss     dec     hex filename
>    2976       8       0    2984     ba8 fs/proc/meminfo.o before
>    2669       8       0    2677     a75 fs/proc/meminfo.o after
> 
> Nice.  I wonder why that happened.

Fewer shifts via removal of K macro.
Much smaller call stack in seq_printf.

      reply	other threads:[~2016-08-11 21:58 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-06 12:56 [PATCH] proc: faster /proc/*/status Alexey Dobriyan
2016-08-06 22:41 ` Joe Perches
2016-08-09  3:02   ` [PATCH] seq/proc: Modify seq_put_decimal_[u]ll to take a const char *, not char Joe Perches
2016-08-07  3:16 ` [PATCH] proc: faster /proc/*/status Andi Kleen
2016-08-07  8:53   ` Alexey Dobriyan
2016-08-07 16:59     ` Andi Kleen
2016-08-07 17:39       ` Joe Perches
2016-08-07 17:44         ` Andi Kleen
2016-08-07 21:22           ` Joe Perches
2016-08-09 23:25             ` Andrew Morton
2016-08-10  6:38               ` [RFC PATCH] meminfo: Break apart a very long seq_printf with #ifdefs Joe Perches
2016-08-11 21:50                 ` Andrew Morton
2016-08-11 21:57                   ` Joe Perches [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=1470952673.14552.32.camel@perches.com \
    --to=joe@perches.com \
    --cc=adobriyan@gmail.com \
    --cc=akpm@linux-foundation.org \
    --cc=andi@firstfloor.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=viro@zeniv.linux.org.uk \
    /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).