From: Andrew Morton <akpm@linux-foundation.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [v2.6.26] what's brewing in x86.git for v2.6.26
Date: Thu, 17 Apr 2008 03:18:29 -0700 [thread overview]
Message-ID: <20080417031829.15ec73df.akpm@linux-foundation.org> (raw)
In-Reply-To: <87zlrshjtz.fsf@basil.nowhere.org>
On Thu, 17 Apr 2008 12:11:36 +0200 Andi Kleen <andi@firstfloor.org> wrote:
> Andrew Morton <akpm@linux-foundation.org> writes:
> >
> > Does it really really really need to consume one of our few remaining page
> > flags? We'll be in a mess when we run out.
>
> No we're not. Just the (imho always misguided) "encode zone/node number
> into flags" optimization has to be removed again or made 64bit only.
> Then there will be plenty of flags again.
hm. Or we add a new nid&zone field to the pageframe for 32bit NUMA. Just
don't tell Paul Mundt ;)
Need to work out what's going on with ia64's use of the upper 32 bits too.
I have a feeling it's using less than it used too but at 3AM I can't be
assed working it out.
> Really I see no real reason this can't be done with a small hash table
> again like x86-64 originally did.
How did that work? A pfn->zone-id hash table would be huge?
next prev parent reply other threads:[~2008-04-17 10:19 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-16 20:23 [v2.6.26] what's brewing in x86.git for v2.6.26 Ingo Molnar
2008-04-16 20:37 ` Roland Dreier
2008-04-16 22:18 ` Suresh Siddha
2008-04-16 20:50 ` Andi Kleen
2008-04-17 10:06 ` Alexander van Heukelum
2008-04-17 10:51 ` Andi Kleen
2008-04-17 13:33 ` Alexander van Heukelum
2008-04-18 8:38 ` Ingo Molnar
2008-04-18 10:51 ` Andi Kleen
2008-04-17 7:25 ` Andrew Morton
2008-04-17 7:45 ` Pekka Enberg
2008-04-17 8:20 ` Andrew Morton
2008-04-17 8:32 ` Pekka J Enberg
2008-04-17 8:34 ` Pekka Enberg
2008-04-17 8:40 ` Ingo Molnar
2008-04-17 8:42 ` Andrew Morton
2008-04-17 11:49 ` Christoph Hellwig
2008-04-17 11:56 ` Ingo Molnar
2008-04-17 18:01 ` Andrew Morton
2008-04-17 18:51 ` Ingo Molnar
2008-04-17 19:57 ` Andrew Morton
2008-04-17 20:18 ` Ingo Molnar
2008-04-18 9:33 ` Tomasz Kłoczko
2008-04-18 9:42 ` Ingo Molnar
2008-04-17 8:14 ` Andrew Morton
2008-04-17 8:57 ` Avi Kivity
2008-04-17 10:32 ` Johannes Weiner
2008-04-17 10:50 ` Andrew Morton
2008-04-17 11:49 ` Christoph Hellwig
2008-04-17 17:36 ` Andrew Morton
2008-04-17 8:30 ` Ingo Molnar
2008-04-17 8:40 ` Andrew Morton
2008-04-17 8:45 ` David Miller
2008-04-17 8:54 ` Andrew Morton
2008-04-17 8:56 ` Andrew Morton
2008-04-17 9:19 ` David Miller
2008-04-17 9:33 ` Andrew Morton
2008-04-17 9:06 ` Ingo Molnar
2008-04-17 9:18 ` Andrew Morton
2008-04-17 9:30 ` Ingo Molnar
2008-04-17 9:36 ` Andrew Morton
2008-04-17 9:46 ` Ingo Molnar
2008-04-17 10:06 ` Andrew Morton
2008-04-17 10:11 ` Andi Kleen
2008-04-17 10:18 ` Andrew Morton [this message]
2008-04-17 10:29 ` Andi Kleen
2008-04-17 10:19 ` Pekka Enberg
2008-04-17 10:33 ` Andrew Morton
2008-04-17 10:38 ` Ingo Molnar
2008-04-17 10:42 ` Pekka Enberg
2008-04-18 11:12 ` Nick Piggin
2008-04-17 14:01 ` Arjan van de Ven
2008-04-17 15:26 ` Ingo Molnar
2008-04-18 12:41 ` Ingo Molnar
2008-04-17 10:41 ` Pekka Enberg
2008-04-17 18:47 ` Vegard Nossum
2008-04-17 19:27 ` Ingo Molnar
2008-04-17 19:35 ` Ingo Molnar
2008-04-17 19:39 ` Vegard Nossum
2008-04-17 19:43 ` Andrew Morton
2008-04-17 20:39 ` Vegard Nossum
2008-04-17 20:55 ` Andrew Morton
2008-04-17 9:53 ` Andrew Morton
2008-04-17 7:48 ` Andrew Morton
2008-04-18 6:27 ` Andrew Morton
2008-04-18 6:38 ` David Miller
2008-04-18 7:47 ` Ingo Molnar
2008-04-18 8:00 ` Andrew Morton
2008-04-18 8:11 ` Christoph Hellwig
2008-04-18 8:18 ` David Miller
2008-04-18 12:48 ` Ingo Molnar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080417031829.15ec73df.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.