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authorChristoph Lameter <cl@linux.com>2012-09-05 00:20:33 +0000
committerPekka Enberg <penberg@kernel.org>2012-09-05 12:00:35 +0300
commit686d550d222e8f83f6e709debbedf9d8ef77aec7 (patch)
treeeb1a33c0a401c7fd9c22464a88c3c87fbfc8808d /mm/slob.c
parent208c4358dc4a8f0fe99e49eb8d21a869b01e7d34 (diff)
mm/slab_common: Improve error handling in kmem_cache_create
Instead of using s == NULL use an errorcode. This allows much more detailed diagnostics as to what went wrong. As we add more functionality from the slab allocators to the common kmem_cache_create() function we will also add more error conditions. Print the error code during the panic as well as in a warning if the module can handle failure. The API for kmem_cache_create() currently does not allow the returning of an error code. Return NULL but log the cause of the problem in the syslog. Reviewed-by: Glauber Costa <glommer@parallels.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slob.c')
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