From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Wed, 1 Jul 2009 08:51:18 +0000 (+0300)
Subject: xen: Use kcalloc() in xen_init_IRQ()
X-Git-Tag: v2.6.31-rc3~67^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a70c352a37671fe1ebcbd317b439aa4760f4ccb7;p=pandora-kernel.git

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:

  ------------[ cut here ]------------
  WARNING: at mm/bootmem.c:535 alloc_arch_preferred_bootmem+0x27/0x45()
  Modules linked in:
  Pid: 0, comm: swapper Not tainted 2.6.30 #1
  Call Trace:
   [<ffffffff8102d6e3>] ? warn_slowpath_common+0x73/0xb0
   [<ffffffff810210d9>] ? pvclock_clocksource_read+0x49/0x90
   [<ffffffff812e522f>] ? alloc_arch_preferred_bootmem+0x27/0x45
   [<ffffffff812e5761>] ? ___alloc_bootmem_nopanic+0x39/0xc9
   [<ffffffff812e57fa>] ? ___alloc_bootmem+0x9/0x2f
   [<ffffffff812e9e21>] ? xen_init_IRQ+0x25/0x61
   [<ffffffff812d69ee>] ? start_kernel+0x1b5/0x29e
  ---[ end trace 4eaa2a86a8e2da22 ]---

Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Tested-by: Christian Kujau <lists@nerdbynature.de>
Reported-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: lists@nerdbynature.de
Cc: jeremy.fitzhardinge@citrix.com
LKML-Reference: <1246438278.22417.28.camel@penberg-laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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