commit
a33c1ba2913802b6fb23e974bb2f6a4e73c8b7ce upstream.
We currently use num_possible_cpus(), but that breaks on sparc64 where
the CPU ID space is discontig. Use nr_cpu_ids as the highest CPU ID
instead, so we don't end up reading from invalid memory.
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
unsigned int *map;
/* If cpus are offline, map them to first hctx */
- map = kzalloc_node(sizeof(*map) * num_possible_cpus(), GFP_KERNEL,
+ map = kzalloc_node(sizeof(*map) * nr_cpu_ids, GFP_KERNEL,
reg->numa_node);
if (!map)
return NULL;