From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 12 Feb 2008 23:45:22 -0800 From: Andrew Morton Subject: Re: [Bug 9941] New: Zone "Normal" missing in /proc/zoneinfo Message-Id: <20080212234522.24bed8c1.akpm@linux-foundation.org> In-Reply-To: References: <20080212100623.4fd6cf85.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Bart Van Assche Cc: bugme-daemon@bugzilla.kernel.org, linux-mm@kvack.org, Mel Gorman List-ID: On Wed, 13 Feb 2008 08:39:30 +0100 "Bart Van Assche" wrote: > On Feb 12, 2008 7:06 PM, Andrew Morton 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: email@kvack.org