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authorChristian Krafft <krafft@de.ibm.com>2006-12-06 20:32:41 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:39:22 -0800
commit7c309a64d6afa90a0a07813c836ba480aeaeca8c (patch)
treea56b235fa35c2e528752071df2a6e21a25a4e8f6 /mm/thrash.c
parenta120586873d3d64de93bd6d593d237e131994e58 (diff)
downloadconfigs-7c309a64d6afa90a0a07813c836ba480aeaeca8c.tar.gz
[PATCH] enable booting a NUMA system where some nodes have no memory
When booting a NUMA system with nodes that have no memory (eg by limiting memory), bootmem_alloc_core tried to find pages in an uninitialized bootmem_map. This caused a null pointer access. This fix adds a check, so that NULL is returned. That will enable the caller (bootmem_alloc_nopanic) to alloc memory on other without a panic. Signed-off-by: Christian Krafft <krafft@de.ibm.com> Cc: Christoph Lameter <clameter@engr.sgi.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Martin Bligh <mbligh@google.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/thrash.c')
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