From: Vitaly Mayatskikh <v.mayatskih@gmail.com>
To: Roland McGrath <roland@redhat.com>
Cc: Vitaly Mayatskikh <v.mayatskih@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] Introduce "struct wait_info" to simplify wait_task*() pathes
Date: Wed, 13 May 2009 21:05:43 +0200 [thread overview]
Message-ID: <87tz3ozuuw.wl%vmayatsk@redhat.com> (raw)
In-Reply-To: <20090513181358.39DC5FC35D@magilla.sf.frob.com>
At Wed, 13 May 2009 11:13:58 -0700 (PDT), Roland McGrath wrote:
> What's the benefit of this? Those parameters are probably happily in
> registers and compiled well, I would guess. Adding more memory copying
> does not seem like a benefit. Have you verified that your change reduces
> code size or something like that?
Yeah, I was wrong. There's no benefit in size of .text
--
wbr, Vitaly
next prev parent reply other threads:[~2009-05-13 19:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-13 12:08 [PATCH 0/3] More cleanups in do_wait() pathes Vitaly Mayatskikh
2009-05-13 12:08 ` [PATCH 1/3] Introduce "struct wait_info" to simplify wait_task*() pathes Vitaly Mayatskikh
2009-05-13 18:13 ` Roland McGrath
2009-05-13 19:05 ` Vitaly Mayatskikh [this message]
2009-05-15 17:37 ` Ingo Molnar
2009-05-16 10:45 ` Vitaly Mayatskikh
2009-05-13 12:08 ` [PATCH 2/3] Replace wait_noreap_copyout() by copy_wait_opts_to_user() Vitaly Mayatskikh
2009-05-13 12:08 ` [PATCH 3/3] Move more common code from wait_task_*() to copy_wait_opts_to_user() Vitaly Mayatskikh
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