linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: dvyukov@google.com, syzkaller@googlegroups.com,
	hannes@cmpxchg.org, cgroups@vger.kernel.org, linux-mm@kvack.org,
	akpm@linux-foundation.org, kcc@google.com, glider@google.com,
	sasha.levin@oracle.com, edumazet@google.com, gthelen@google.com,
	tj@kernel.org
Subject: Re: WARNING in handle_mm_fault
Date: Mon, 30 Nov 2015 17:20:00 +0100	[thread overview]
Message-ID: <20151130162000.GM17308@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <201511262033.EAB48965.FVJOOOMLFHStFQ@I-love.SAKURA.ne.jp>

On Thu, Nov 26, 2015 at 08:33:05PM +0900, Tetsuo Handa wrote:

> By the way, does use of "unsigned char" than "unsigned" save some bytes?

There are architectures that cannot do independent byte writes. Best
leave it a machine word unless there's a real pressing reason otherwise.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

      reply	other threads:[~2015-11-30 16:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-24 13:50 Dmitry Vyukov
2015-11-24 22:31 ` Johannes Weiner
2015-11-25 13:05   ` Dmitry Vyukov
2015-11-25 13:12     ` Dmitry Vyukov
2015-11-25  8:44 ` Michal Hocko
2015-11-25 10:51   ` Tetsuo Handa
2015-11-25 13:08     ` Dmitry Vyukov
2015-11-25 15:27       ` Tetsuo Handa
2015-11-25 17:21         ` Dmitry Vyukov
2015-11-25 17:32           ` Dmitry Vyukov
2015-11-25 17:37           ` Michal Hocko
2015-11-25 17:44             ` Dmitry Vyukov
2015-11-26 11:33               ` Tetsuo Handa
2015-11-30 16:20                 ` Peter Zijlstra [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=20151130162000.GM17308@twins.programming.kicks-ass.net \
    --to=peterz@infradead.org \
    --cc=akpm@linux-foundation.org \
    --cc=cgroups@vger.kernel.org \
    --cc=dvyukov@google.com \
    --cc=edumazet@google.com \
    --cc=glider@google.com \
    --cc=gthelen@google.com \
    --cc=hannes@cmpxchg.org \
    --cc=kcc@google.com \
    --cc=linux-mm@kvack.org \
    --cc=penguin-kernel@I-love.SAKURA.ne.jp \
    --cc=sasha.levin@oracle.com \
    --cc=syzkaller@googlegroups.com \
    --cc=tj@kernel.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