From: Sam Ravnborg <sam@ravnborg.org>
To: David Howells <dhowells@redhat.com>
Cc: Tim Abbott <tabbott@MIT.EDU>,
Linux kernel mailing list <linux-kernel@vger.kernel.org>,
Anders Kaseorg <andersk@MIT.EDU>, Waseem Daher <wdaher@MIT.EDU>,
Denys Vlasenko <vda.linux@googlemail.com>,
Jeff Arnold <jbarnold@MIT.EDU>
Subject: Re: [PATCH 0/6] section name cleanup for mn10300
Date: Fri, 1 May 2009 16:48:58 +0200 [thread overview]
Message-ID: <20090501144857.GA25398@uranus.ravnborg.org> (raw)
In-Reply-To: <2425.1241188519@redhat.com>
On Fri, May 01, 2009 at 03:35:19PM +0100, David Howells wrote:
> Tim Abbott <tabbott@MIT.EDU> wrote:
>
> > This patch series cleans up the section names on the mn10300
> > architecture. It requires the architecture-independent macro
> > definitions from this patch series:
>
> Interesting... Whilst it compiles and links with no problems, this cleanup
> has the following detrimental effects:
>
> None of these patches applied
>
> text data bss dec hex filename
> 1879329 82980 321772 2284081 22da31 vmlinux
>
> All of these patches applied:
>
> text data bss dec hex filename
> 1879329 87076 321772 2288177 22ea31 vmlinux
>
> Somewhere it eats an extra page.
This is likely due to moving around the sections and
we have got them in less perfect order.
I also thing 5/6 is wrong as it moves
init_task befoe _edata.
Could you try to back out them one by one
to see which one causes the extra memory waste.
Sam
next prev parent reply other threads:[~2009-05-01 14:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-30 23:54 Tim Abbott
2009-04-30 23:54 ` [PATCH 1/6] mn10300: Use macros for .bss.page_aligned section Tim Abbott
2009-04-30 23:54 ` [PATCH 2/6] mn10300: Drop unused .data.idt section Tim Abbott
2009-04-30 23:54 ` [PATCH 3/6] mn10300: use NOSAVE_DATA macro for .data.nosave section Tim Abbott
2009-04-30 23:54 ` [PATCH 4/6] mn10300: use new macro for .data.cacheline_aligned section Tim Abbott
2009-04-30 23:54 ` [PATCH 5/6] mn10300: use new macros for .data.init_task Tim Abbott
2009-04-30 23:54 ` [PATCH 6/6] mn10300: use new macro for .data.read_mostly section Tim Abbott
2009-05-01 14:46 ` [PATCH 5/6] mn10300: use new macros for .data.init_task David Howells
2009-05-01 15:00 ` Tim Abbott
2009-05-01 15:11 ` Sam Ravnborg
2009-05-01 14:35 ` [PATCH 0/6] section name cleanup for mn10300 David Howells
2009-05-01 14:48 ` Sam Ravnborg [this message]
2009-05-01 15:03 ` David Howells
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