From: Andrew Morton <akpm@linux-foundation.org>
To: Bart Van Assche <bart.vanassche@gmail.com>
Cc: bugme-daemon@bugzilla.kernel.org, linux-mm@kvack.org,
Mel Gorman <mel@csn.ul.ie>
Subject: Re: [Bug 9941] New: Zone "Normal" missing in /proc/zoneinfo
Date: Tue, 12 Feb 2008 23:45:22 -0800 [thread overview]
Message-ID: <20080212234522.24bed8c1.akpm@linux-foundation.org> (raw)
In-Reply-To: <e2e108260802122339j3b861e74vf7b72a34747dcade@mail.gmail.com>
On Wed, 13 Feb 2008 08:39:30 +0100 "Bart Van Assche" <bart.vanassche@gmail.com> wrote:
> On Feb 12, 2008 7:06 PM, Andrew Morton <akpm@linux-foundation.org> wrote:
> >
> > On Tue, 12 Feb 2008 02:39:40 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote:
> >
> > > http://bugzilla.kernel.org/show_bug.cgi?id=9941
> > >
> > > Summary: Zone "Normal" missing in /proc/zoneinfo
> > > Product: Memory Management
> > > Version: 2.5
> > > KernelVersion: 2.6.24.2
> > > Platform: All
> > > OS/Version: Linux
> > > Tree: Mainline
> > > Status: NEW
> > > Severity: normal
> > > Priority: P1
> > > Component: Other
> > > AssignedTo: akpm@osdl.org
> > > ReportedBy: bart.vanassche@gmail.com
> > >
> > >
> > > Latest working kernel version: 2.6.24
> > > Earliest failing kernel version: 2.6.24.2
> > > Distribution: Ubuntu 7.10 server
> > > Hardware Environment: Intel S5000PAL
> > > Software Environment:
> > > Problem Description:
> > >
> > > There is only information about the zones "DMA" and "DMA32" in /proc/zoneinfo,
> > > not about zone "Normal".
> > >
> > > Steps to reproduce:
> > >
> > > Run the following command in a shell:
> > > $ grep zone /proc/zoneinfo
> > >
> > > Output with 2.6.24:
> > > Node 0, zone DMA
> > > Node 0, zone DMA32
> > > Node 0, zone Normal
> > >
> > > Output with 2.6.24.2:
> > > Node 0, zone DMA
> > > Node 0, zone DMA32
> > >
> >
> > hm, I don't think that was expected. Please send the full kernel boot log
> > (the dmesg -s 1000000 output). Please send it via emailed reply-to-all, not
> > via the bugzilla web interface, thanks.
>
> This is the output of dmesg -s 1000000:
>
> Linux version 2.6.24.2-dbg (root@INF012) (gcc version 4.1.3 20070929
> (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Tue Feb 12 08:19:21 CET
> 2008
> Command line: root=UUID=4604bcf5-93b6-46ba-9d80-f2f89a844a78 ro quiet splash
> BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
> BIOS-e820: 000000000009fc00 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000007e2d9000 (usable)
> BIOS-e820: 000000007e2d9000 - 000000007e39b000 (ACPI NVS)
> BIOS-e820: 000000007e39b000 - 000000007fa32000 (usable)
> BIOS-e820: 000000007fa32000 - 000000007fa9a000 (reserved)
> BIOS-e820: 000000007fa9a000 - 000000007facc000 (usable)
> BIOS-e820: 000000007facc000 - 000000007fb1a000 (ACPI NVS)
> BIOS-e820: 000000007fb1a000 - 000000007fb26000 (usable)
> BIOS-e820: 000000007fb26000 - 000000007fb3a000 (ACPI data)
> BIOS-e820: 000000007fb3a000 - 000000007fc00000 (usable)
> BIOS-e820: 000000007fc00000 - 0000000080000000 (reserved)
> BIOS-e820: 00000000a0000000 - 00000000b0000000 (reserved)
> BIOS-e820: 00000000ffe00000 - 00000000ffe0c000 (reserved)
> Entering add_active_range(0, 0, 159) 0 entries of 256 used
> Entering add_active_range(0, 256, 516825) 1 entries of 256 used
> Entering add_active_range(0, 517019, 522802) 2 entries of 256 used
> Entering add_active_range(0, 522906, 522956) 3 entries of 256 used
> Entering add_active_range(0, 523034, 523046) 4 entries of 256 used
> Entering add_active_range(0, 523066, 523264) 5 entries of 256 used
> end_pfn_map = 1048076
> DMI 2.5 present.
> Entering add_active_range(0, 0, 159) 0 entries of 256 used
> Entering add_active_range(0, 256, 516825) 1 entries of 256 used
> Entering add_active_range(0, 517019, 522802) 2 entries of 256 used
> Entering add_active_range(0, 522906, 522956) 3 entries of 256 used
> Entering add_active_range(0, 523034, 523046) 4 entries of 256 used
> Entering add_active_range(0, 523066, 523264) 5 entries of 256 used
> Zone PFN ranges:
> DMA 0 -> 4096
> DMA32 4096 -> 1048576
> Normal 1048576 -> 1048576
> Movable zone start PFN for each node
> early_node_map[6] active PFN ranges
> 0: 0 -> 159
> 0: 256 -> 516825
> 0: 517019 -> 522802
> 0: 522906 -> 522956
> 0: 523034 -> 523046
> 0: 523066 -> 523264
> On node 0 totalpages: 522771
> DMA zone: 96 pages used for memmap
> DMA zone: 2170 pages reserved
> DMA zone: 1733 pages, LIFO batch:0
> DMA32 zone: 12168 pages used for memmap
> DMA32 zone: 506604 pages, LIFO batch:31
> Normal zone: 0 pages used for memmap
> Movable zone: 0 pages used for memmap
OK, that machine really has no ZONE_NORMAL. I didn't know we do that.
Mel, is this, uh, normal?
Thanks.
--
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:[~2008-02-13 7:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-9941-27@http.bugzilla.kernel.org/>
2008-02-12 18:06 ` [Bug 9941] New: Zone "Normal" missing in /proc/zoneinfo Andrew Morton
2008-02-13 7:39 ` Bart Van Assche
2008-02-13 7:45 ` Andrew Morton [this message]
2008-02-13 11:52 ` Mel Gorman
2008-02-13 13:45 ` Bart Van Assche
2008-02-13 14:34 ` Mel Gorman
2008-02-13 15:32 ` Bart Van Assche
2008-02-13 15:23 ` Andy Whitcroft
2008-02-13 15:38 ` Mel Gorman
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=20080212234522.24bed8c1.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=bart.vanassche@gmail.com \
--cc=bugme-daemon@bugzilla.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mel@csn.ul.ie \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).