From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: linux-fbdev-devel@lists.sourceforge.net,
Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andrew Morton <akpm@osdl.org>, "David S.Miller" <davem@redhat.com>
Subject: Re: [PATCH][FBDEV] Fix copy_to/from_user in fbmem.c:fb_read/write
Date: Mon, 30 Aug 2004 19:58:56 +0800 [thread overview]
Message-ID: <200408301958.56449.adaplas@hotpop.com> (raw)
In-Reply-To: <Pine.GSO.4.58.0408301107430.3353@waterleaf.sonytel.be>
On Monday 30 August 2004 17:10, Geert Uytterhoeven wrote:
>
> I don't expect the penalty for always using a buffer of PAGE_SIZE to be
> very large. Or am I missing something?
>
You're absolutely correct, there is no significant performance penalty whether
using a small or large-sized buffer.
Will resubmit a patch.
Tony
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prev parent reply other threads:[~2004-08-30 11:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-30 2:47 [PATCH][FBDEV] Fix copy_to/from_user in fbmem.c:fb_read/write Antonino A. Daplas
2004-08-30 3:16 ` David S. Miller
2004-08-30 9:10 ` Geert Uytterhoeven
2004-08-30 9:15 ` Andrew Morton
2004-08-30 11:58 ` Antonino A. Daplas [this message]
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