Re: WARNING: at mm/bootmem.c:535 alloc_arch_preferred_bootmem

Pekka Enberg
2009-07-01T05:58:37Z

Hi Jeremy,

On Tue, 2009-06-30 at 13:59 -0700, Jeremy Fitzhardinge wrote:
> > >From dc231c59194a973b80e6932bb4c162f2076635cb Mon Sep 17 00:00:00 2001
> > From: Pekka Enberg <penberg@cs.helsinki.fi>
> > Date: Tue, 30 Jun 2009 11:35:19 +0300
> > Subject: [PATCH] xen: Use kcalloc() in xen_init_IRQ()
> >
> > The init_IRQ() function is now called with slab allocator initialized.
> > Therefore, we must not use the bootmem allocator in xen_init_IRQ().
> > Fixes the following boot-time warning:
> >
> > [ 0.000000] Linux version 2.6.30 (dummy@sid) (gcc version 4.4.0 (Debian 4.4.0-8) ) #1 Tue Jun 23 02:13:42 CEST 2009
> > [ 0.000000] Command line: root=/dev/xvda1 console=hvc0 init=/sbin/init
> > [ 0.000000] KERNEL supported cpus:
> > [ 0.000000] Intel GenuineIntel
> > [ 0.000000] AMD AuthenticAMD
> > [ 0.000000] Centaur CentaurHauls
> > [ 0.000000] BIOS-provided physical RAM map:
> > [ 0.000000] Xen: 0000000000000000 - 00000000000a0000 (usable)
> > [ 0.000000] Xen: 00000000000a0000 - 0000000000100000 (reserved)
> > [ 0.000000] Xen: 0000000000100000 - 0000000008000000 (usable)
> > [ 0.000000] DMI not present or invalid.
> > [ 0.000000] last_pfn = 0x8000 max_arch_pfn = 0x400000000
> > [ 0.000000] initial memory mapped : 0 - 20000000
> >
> > Reported-by: Christian Kujau <lists@nerdbynature.de>
> > Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
>
> Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

Thanks! Who should pick this patch up, btw? I think it ought to go to
the xen subsystem tree (wherever that is).

Pekka