From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Ralf Baechle <ralf@linux-mips.org>,
Kumar Gala <galak@kernel.crashing.org>,
Kyle McMartin <kyle@mcmartin.ca>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Only show RESOURCES_64BIT on relevant architectures
Date: Tue, 30 Oct 2007 20:00:40 +0000 [thread overview]
Message-ID: <20071030200040.GA13999@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20071030121315.GK32359@parisc-linux.org>
On Tue, Oct 30, 2007 at 06:13:16AM -0600, Matthew Wilcox wrote:
> On Tue, Oct 30, 2007 at 11:42:21AM +0000, Ralf Baechle wrote:
> > On Tue, Oct 30, 2007 at 02:37:19AM -0600, Matthew Wilcox wrote:
> > > On Mon, Oct 29, 2007 at 10:03:16PM -0500, Kumar Gala wrote:
> > > > same HW platform that you want to run with just 32-bit phys (for
> > > > performance).
> > >
> > > Have you measured what the performance difference is?
> >
> > So that's 5668, 256 bytes data and 128 bytes of bss for a total of 6052
> > bytes. Not a whole lot but I still fear some users on the most
> > claustrophobic systems will mind.
>
> Oh, sure, I'm not saying I thought there would be no size difference; I
> was just bemused at the suggestion there was a performance difference.
>
> Unless "won't fit in ROM any more" is considered a performance problem ;-)
I think we've gone way past that that issue NetWinders long ago... in the
2.4 days iirc.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
next prev parent reply other threads:[~2007-10-30 20:01 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-28 20:15 [PATCH] Only show RESOURCES_64BIT on relevant architectures Kyle McMartin
2007-10-29 1:09 ` David Miller
2007-10-29 15:11 ` Kyle McMartin
2007-10-29 8:10 ` Russell King
2007-10-29 15:21 ` Kyle McMartin
2007-10-29 15:50 ` Russell King
2007-10-30 2:48 ` Ralf Baechle
2007-10-30 3:03 ` Kumar Gala
2007-10-30 8:37 ` Matthew Wilcox
2007-10-30 11:42 ` Ralf Baechle
2007-10-30 12:13 ` Matthew Wilcox
2007-10-30 14:14 ` Ralf Baechle
2007-10-30 20:00 ` Russell King [this message]
2007-10-30 14:19 ` Kumar Gala
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