From: Andrew Morton <akpm@linux-foundation.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: apw@shadowen.org, davem@davemloft.net,
kamezawa.hiroyu@jp.fujitsu.com, kosaki.motohiro@jp.fujitsu.com,
riel@redhat.com, jeremy@goop.org, linux-mm@kvack.org
Subject: Re: [patch 4/9] Pageflags: Get rid of FLAGS_RESERVED
Date: Sat, 29 Mar 2008 15:06:30 -0700 [thread overview]
Message-ID: <20080329150630.21019399.akpm@linux-foundation.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0803291321020.26338@schroedinger.engr.sgi.com>
On Sat, 29 Mar 2008 13:22:30 -0700 (PDT) Christoph Lameter <clameter@sgi.com> wrote:
> On Fri, 28 Mar 2008, Andrew Morton wrote:
>
> > Why do we use gas at all here? All we're doing is converting
> >
> > ->NR_PAGEFLAGS 18 __NR_PAGEFLAGS #
> >
> > into
> >
> > #define NR_PAGEFLAGS 18
> >
> > which can be done with sed or whatever?
>
> Only the compiler knows the value of __NR_PAGEFLAGS since it was defined
> via enum. We are generating an object file and then extract the symbols.
I know. I suggested that we process the .s file with sed, generating the
#defines for the .h file. There is no need to assemble the .s file!
> This is the same process as used in arch/*/asm-offsets.*
Maybe that wasn't the best way of doing it.
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next prev parent reply other threads:[~2008-03-29 22:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080318181957.138598511@sgi.com>
[not found] ` <20080318182036.212376083@sgi.com>
2008-03-18 19:32 ` [patch 8/9] Pageflags: Eliminate PG_xxx aliases Pekka Enberg
2008-03-18 19:35 ` Christoph Lameter
[not found] ` <20080318182035.197900850@sgi.com>
2008-03-28 8:12 ` [patch 4/9] Pageflags: Get rid of FLAGS_RESERVED Andrew Morton
2008-03-28 18:51 ` Christoph Lameter
2008-03-28 18:59 ` Andrew Morton
2008-03-28 19:04 ` Christoph Lameter
2008-03-28 19:23 ` Andrew Morton
2008-03-29 20:22 ` Christoph Lameter
2008-03-29 22:06 ` Andrew Morton [this message]
2008-03-31 20:19 ` Christoph Lameter
2008-03-28 9:08 ` [patch 0/9] Page flags V3: Cleanup and reorg Andrew Morton
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