From: Ingo Molnar <mingo@elte.hu>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
Xiao Guangrong <ericxiao.gr@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Jens Axboe <jens.axboe@oracle.com>,
Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, x86@kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] x86: reuse the boot-time mappings of fixed_addresses
Date: Fri, 4 Sep 2009 09:33:55 +0200 [thread overview]
Message-ID: <20090904073355.GA20598@elte.hu> (raw)
In-Reply-To: <4A9C6ADF.2020707@goop.org>
* Jeremy Fitzhardinge <jeremy@goop.org> wrote:
> On 08/31/09 01:26, Ingo Molnar wrote:
> >>> I'm wondering, how much space do we save this way, on a typical bootup
> >>> on a typical PC?
> >>>
> >>>
> >> Not a huge lot... a few dozen pages.
> >>
> > I guess it's still worth doing - what do you think?
> >
>
> It hardly seems worth it, but I guess it isn't much code. [...]
Ok, i understood this as an Acked-by from you - lemme know if that's
wrong ;-)
> [...] Will having an apparent overlap of vmalloc and fixmap
> spaces confuse anything?
At most perhaps some debug tools - kcrash & co.
Ingo
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next prev parent reply other threads:[~2009-09-04 7:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-23 2:35 Xiao Guangrong
2009-08-29 11:00 ` Ingo Molnar
2009-08-29 18:16 ` H. Peter Anvin
2009-08-31 8:26 ` Ingo Molnar
2009-09-01 0:29 ` Jeremy Fitzhardinge
2009-09-04 7:33 ` Ingo Molnar [this message]
2009-09-04 15:47 ` Jeremy Fitzhardinge
2009-09-04 16:15 ` H. Peter Anvin
2009-09-04 18:55 ` Ingo Molnar
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