From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>,
LKML <linux-kernel@vger.kernel.org>, Tejun Heo <tj@kernel.org>,
Andrew Vagin <avagin@openvz.org>,
Serge Hallyn <serge.hallyn@canonical.com>,
Vasiliy Kulikov <segoon@openwall.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Pavel Emelyanov <xemul@parallels.com>,
Michael Kerrisk <mtk.manpages@gmail.com>
Subject: Re: [patch 3/3] [PATCH] prctl: Add PR_SET_MM codes to set up mm_struct entires v3
Date: Tue, 13 Dec 2011 02:05:18 +0400 [thread overview]
Message-ID: <20111212220518.GU2199@moon> (raw)
In-Reply-To: <20111212220132.GT2199@moon>
On Tue, Dec 13, 2011 at 02:01:32AM +0400, Cyrill Gorcunov wrote:
...
> >
> > This may not be true of all compiler versions, but when I cache
> > current->mm in a local, the code size is reduced rather a lot:
> >
> > akpm:/usr/src/25> size kernel/sys.o
> > text data bss dec hex filename
> > 22685 14376 7616 44677 ae85 kernel/sys.o
> > 22489 14376 7616 44481 adc1 kernel/sys.o
> >
>
> Hmm, this is great and weird. Letme try...
>
Same here (gcc version 4.6.2 20111027)
text data bss dec hex filename
20829 14376 5736 40941 9fed kernel/sys.o
20682 14376 5736 40794 9f5a kernel/sys.o
thanks Andrew!
Cyrill
next prev parent reply other threads:[~2011-12-12 22:05 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-12 20:06 [patch 0/3] Patches in a sake of checkpoint/restore, procfs and prctls Cyrill Gorcunov
2011-12-12 20:06 ` [patch 1/3] Kconfig: Introduce CHECKPOINT_RESTORE symbol Cyrill Gorcunov
2011-12-12 20:40 ` Kees Cook
2011-12-12 20:06 ` [patch 2/3] [PATCH] fs, proc: Add start_data, end_data, start_brk members to /proc/$pid/stat v4 Cyrill Gorcunov
2011-12-12 20:06 ` [patch 3/3] [PATCH] prctl: Add PR_SET_MM codes to set up mm_struct entires v3 Cyrill Gorcunov
2011-12-12 20:38 ` Kees Cook
2011-12-12 20:51 ` Cyrill Gorcunov
2011-12-12 21:53 ` Andrew Morton
2011-12-12 22:01 ` Cyrill Gorcunov
2011-12-12 22:05 ` Cyrill Gorcunov [this message]
2011-12-12 21:49 ` KOSAKI Motohiro
2011-12-12 21:58 ` Cyrill Gorcunov
2011-12-12 22:24 ` KOSAKI Motohiro
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