From: "J.A. Magallon" <jamagallon@able.es>
To: Marcelo Tosatti <marcelo@conectiva.com.br>
Cc: Lista Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] 2.4: always_inline for gcc3
Date: Tue, 26 Aug 2003 18:24:54 +0200 [thread overview]
Message-ID: <20030826162454.GE2023@werewolf.able.es> (raw)
In-Reply-To: <Pine.LNX.4.44.0308260850170.3191@logos.cnet>; from marcelo@conectiva.com.br on Tue, Aug 26, 2003 at 14:15:31 +0200
On 08.26, Marcelo Tosatti wrote:
>
> Can you please explain me what are the differences when using "__inline__
> __attribute__((always_inline))" and why you chose to use that?
>
gcc3 did not inline big functions, even if they were marked as inline
Thread:
http://marc.theaimsgroup.com/?t=103632325600005&r=1&w=2
Things like memcpy and copy_to/from_user were affected.
They were not inlined and you got tons of instances in vmlinux.
An initial patch was proposed by Denis Vlasenko, and refined by
akpm I think.
TIA
--
J.A. Magallon <jamagallon@able.es> \ Software is like sex:
werewolf.able.es \ It's better when it's free
Mandrake Linux release 9.2 (Cooker) for i586
Linux 2.4.22-jam1m (gcc 3.3.1 (Mandrake Linux 9.2 3.3.1-1mdk))
next prev parent reply other threads:[~2003-08-26 16:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-26 8:24 [PATCH] 2.4: always_inline for gcc3 J.A. Magallon
2003-08-26 12:15 ` Marcelo Tosatti
2003-08-26 16:24 ` J.A. Magallon [this message]
2003-08-26 17:00 ` J.A. Magallon
2003-08-27 14:37 ` Alan Cox
2003-08-27 16:14 ` J.A. Magallon
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