From: Andi Kleen <ak@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-mm@kvack.org, haveblue@us.ibm.com
Subject: Re: One idea to free up page flags on NUMA
Date: Sun, 24 Sep 2006 09:24:42 +0200 [thread overview]
Message-ID: <200609240924.42382.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0609231845380.16383@schroedinger.engr.sgi.com>
On Sunday 24 September 2006 03:57, Christoph Lameter wrote:
> On Sat, 23 Sep 2006, Andi Kleen wrote:
> > > I just looked at the arch code for i386 and x86_64 and it seems that
> > > both already have page tables for all of memory.
> >
> > i386 doesn't map all of memory.
>
> Hmmm... It only maps the kernel text segment?
Only lowmem (normally upto ~900MB)
But virtual memory is very scarce so I don't know where a new map for mem_map
would come from. Ok you could try to move the physical location of mem_map to
somewhere not in lowmem I suppose.
-Andi
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2006-09-24 7:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-23 3:02 One idea to free up page flags on NUMA Christoph Lameter
2006-09-23 16:04 ` Andi Kleen
2006-09-23 16:39 ` Christoph Lameter
2006-09-23 18:43 ` Andi Kleen
2006-09-24 1:57 ` Christoph Lameter
2006-09-24 7:24 ` Andi Kleen [this message]
2006-09-25 0:31 ` Christoph Lameter
2006-09-25 3:04 ` Andi Kleen
2006-09-25 3:46 ` Christoph Lameter
2006-09-23 19:24 ` Dave Hansen
2006-09-24 1:56 ` Christoph Lameter
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=200609240924.42382.ak@suse.de \
--to=ak@suse.de \
--cc=clameter@sgi.com \
--cc=haveblue@us.ibm.com \
--cc=linux-mm@kvack.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.