tree 4abb8b8c7f60a9d2c6645c4eb9e95a9c6ba56023
parent 5a6b7951bfcca7f45f44269ea87417c74558daf8
author Eric Dumazet <dada1@cosmosbay.com> 1143111664 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1143128297 -0800

[PATCH] Only allocate percpu data for possible CPUs

percpu_data blindly allocates bootmem memory to store NR_CPUS instances of
cpudata, instead of allocating memory only for possible cpus.

This patch saves ram, allocating num_possible_cpus() (instead of NR_CPUS)
instances.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Jens Axboe <axboe@suse.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Jens Axboe <axboe@suse.de>
Cc: Anton Blanchard <anton@samba.org>
Acked-by: William Irwin <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>