From: Arjan van de Ven <arjan@infradead.org>
To: Alexey Dobriyan <adobriyan@sw.ru>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, devel@openvz.org
Subject: Re: [PATCH] Uninline fork.c/exit.c
Date: Mon, 1 Oct 2007 11:08:14 -0700 [thread overview]
Message-ID: <20071001110814.4e137e03@laptopd505.fenrus.org> (raw)
In-Reply-To: <20071001121553.GA6153@localhost.sw.ru>
On Mon, 1 Oct 2007 16:15:53 +0400
Alexey Dobriyan <adobriyan@sw.ru> wrote:
> Save ~650 bytes here.
>
> add/remove: 4/0 grow/shrink: 0/7 up/down: 430/-1088 (-658)
> function old new delta
> __copy_fs_struct - 202 +202
> __put_fs_struct - 112 +112
> __exit_fs - 58 +58
> __exit_files - 58 +58
> exit_files 58 2 -56
> put_fs_struct 112 5 -107
> exit_fs 161 2 -159
> sys_unshare 774 590 -184
> copy_process 4031 3840 -191
> do_exit 1791 1597 -194
> copy_fs_struct 202 5 -197
>
> No difference in lmbench lat_proc tests on 2-way Opteron 246.
> Smaaaal degradation on UP P4 (within errors).
>
is there any impact on stack usage?
next prev parent reply other threads:[~2007-10-01 18:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-01 12:15 Alexey Dobriyan
2007-10-01 18:08 ` Arjan van de Ven [this message]
2007-10-02 6:40 ` Alexey Dobriyan
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