Re: x86 patches was Re: -mm merge plans for 2.6.24

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To: Andrew Morton <akpm@...>
Cc: Andi Kleen <andi@...>, <linux-kernel@...>, <mpm@...>, Huang, Ying <ying.huang@...>, Thomas Gleixner <tglx@...>, Christoph Lameter <clameter@...>, <apw@...>, Lee.Schermerhorn@hp.com <Lee.Schermerhorn@...>
Date: Tuesday, October 2, 2007 - 4:16 am

On Tue, 2 Oct 2007 00:43:24 -0700
Andrew Morton <akpm@linux-foundation.org> wrote:


For fujitsu, problem is called "empty" node.

When ACPI's SRAT table includes "possible nodes", ia64 bootstrap(acpi_numa_init)
creates nodes, which includes no memory, no cpu.

I tried to remove empty-node in past, but that was denied.
It was because we can hot-add cpu to the empty node.
(node-hotplug triggered by cpu is not implemented now. and it will be ugly.)


For HP, (Lee can comment on this later), they have memory-less-node.
As far as I hear, HP's machine can have following configration.

(example)
Node0: CPU0   memory AAA MB
Node1: CPU1   memory AAA MB
Node2: CPU2   memory AAA MB
Node3: CPU3   memory AAA MB
Node4: Memory XXX GB

AAA is very small value (below 16MB)  and will be omitted by ia64 bootstrap.
After boot, only Node 4 has valid memory (but have no cpu.)

Maybe this is memory-interleave by firmware config.

Thanks,
-Kame

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Messages in current thread:
-mm merge plans for 2.6.24, Andrew Morton, (Mon Oct 1, 5:22 pm)
new aops merge [was Re: -mm merge plans for 2.6.24], Hugh Dickins, (Tue Oct 2, 12:21 pm)
x86 patches was Re: -mm merge plans for 2.6.24, Andi Kleen, (Tue Oct 2, 2:18 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Andrew Morton, (Tue Oct 2, 2:32 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Ingo Molnar, (Tue Oct 2, 3:37 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Andi Kleen, (Tue Oct 2, 3:46 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Thomas Gleixner, (Tue Oct 2, 3:58 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Andi Kleen, (Tue Oct 2, 3:01 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Andy Whitcroft, (Tue Oct 2, 5:26 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Andrew Morton, (Tue Oct 2, 3:18 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, KAMEZAWA Hiroyuki, (Tue Oct 2, 3:36 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Christoph Lameter, (Tue Oct 2, 2:16 pm)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Nish Aravamudan, (Tue Oct 2, 12:40 pm)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Andrew Morton, (Tue Oct 2, 3:43 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, KAMEZAWA Hiroyuki, (Tue Oct 2, 4:16 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Christoph Lameter, (Tue Oct 2, 2:18 pm)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Yasunori Goto, (Tue Oct 2, 6:48 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Lee Schermerhorn, (Tue Oct 2, 1:25 pm)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Lee Schermerhorn, (Tue Oct 2, 1:17 pm)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Matt Mackall, (Tue Oct 2, 3:55 am)
Re: x86 patches was Re: -mm merge plans for 2.6.24, Andi Kleen, (Tue Oct 2, 3:59 am)
Re: -mm merge plans for 2.6.24, Pekka Enberg, (Tue Oct 2, 12:12 pm)
v4l-stk11xx* [Was: -mm merge plans for 2.6.24], Jiri Slaby, (Tue Oct 2, 3:59 am)
writeback fixes, Fengguang Wu, (Tue Oct 2, 4:39 am)
Re: -mm merge plans for 2.6.24, Borislav Petkov, (Sat Oct 13, 4:44 am)
Re: -mm merge plans for 2.6.24, Andrew Morton, (Sat Oct 13, 4:52 am)
Re: -mm merge plans for 2.6.24, Borislav Petkov, (Sat Oct 13, 7:45 am)
r/o bind mounts, was Re: -mm merge plans for 2.6.24, Christoph Hellwig, (Tue Oct 9, 5:19 am)
Re: remove zero_page (was Re: -mm merge plans for 2.6.24), Linus Torvalds, (Wed Oct 3, 11:21 am)
Re: remove zero_page (was Re: -mm merge plans for 2.6.24), Linus Torvalds, (Tue Oct 9, 10:52 am)
Re: remove zero_page (was Re: -mm merge plans for 2.6.24), Linus Torvalds, (Tue Oct 9, 10:22 pm)
Re: remove zero_page (was Re: -mm merge plans for 2.6.24), Hugh Dickins, (Wed Oct 10, 12:06 am)
Re: remove zero_page (was Re: -mm merge plans for 2.6.24), Linus Torvalds, (Wed Oct 10, 1:20 am)
Re: remove zero_page (was Re: -mm merge plans for 2.6.24), Linus Torvalds, (Wed Oct 10, 11:04 am)
Re: remove zero_page (was Re: -mm merge plans for 2.6.24), Linus Torvalds, (Tue Oct 9, 11:06 pm)
wibbling over the cpuset shed domain connnection, Paul Jackson, (Mon Oct 1, 5:34 pm)
Re: wibbling over the cpuset shed domain connnection, Nick Piggin, (Tue Oct 2, 8:36 am)
Re: wibbling over the cpuset shed domain connnection, Paul Jackson, (Wed Oct 3, 1:21 am)
Re: wibbling over the cpuset shed domain connnection, Nick Piggin, (Tue Oct 2, 9:12 am)
Re: wibbling over the cpuset shed domain connnection, Paul Jackson, (Wed Oct 3, 3:00 am)
Re: wibbling over the cpuset shed domain connnection, Andrew Morton, (Wed Oct 3, 6:57 am)
per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Peter Zijlstra, (Tue Oct 2, 4:17 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Martin Knoblauch, (Wed Oct 3, 7:00 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Peter Zijlstra, (Fri Oct 26, 10:48 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Trond Myklebust, (Fri Oct 26, 12:37 pm)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Peter Zijlstra, (Fri Dec 14, 10:50 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Miklos Szeredi, (Fri Dec 14, 11:14 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Peter Zijlstra, (Fri Dec 14, 11:54 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Miklos Szeredi, (Fri Oct 26, 11:06 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Peter Zijlstra, (Fri Oct 26, 11:22 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Peter Zijlstra, (Fri Oct 26, 11:33 am)
[PATCH] mm: sysfs: expose the BDI object in sysfs, Peter Zijlstra, (Fri Nov 2, 10:59 am)
Re: [PATCH] mm: sysfs: expose the BDI object in sysfs, Kay Sievers, (Fri Nov 2, 11:13 am)
Re: per BDI dirty limit (was Re: -mm merge plans for 2.6.24), Peter Zijlstra, (Sat Oct 27, 12:07 pm)