From: Paul Jackson <pj@sgi.com>
Date: Fri, 8 Dec 2006 10:35:53 +0000 (-0800)
Subject: [PATCH] mm: fallback_alloc cpuset_zone_allowed irq fix
X-Git-Tag: v2.6.20-rc1~34^2~407
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8b50b6519afa9891b753c4fffa89d89e04df66a;p=pandora-kernel.git

[PATCH] mm: fallback_alloc cpuset_zone_allowed irq fix

fallback_alloc() could end up calling cpuset_zone_allowed() with interrupts
disabled (by code in kmem_cache_alloc_node()), but without __GFP_HARDWALL
set, leading to a possible call of a sleeping function with interrupts
disabled.

This results in the BUG report:

  BUG: sleeping function called from invalid context at kernel/cpuset.c:1520
in_atomic():0, irqs_disabled():1

Thanks to Paul Menage for catching this one.

Signed-off-by: Paul Jackson <pj@sgi.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

Reading git-diff-tree failed