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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-12-16 14:31:26 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-12-18 17:35:18 +0100 |
| commit | d80512f87474f2dfd67ef931737659acce20fe69 (patch) | |
| tree | dac6a70fa90b58bdf396292e95dced35c3caccff /arch/s390/kernel/setup.c | |
| parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) | |
| download | blackbird-obmc-linux-d80512f87474f2dfd67ef931737659acce20fe69.tar.gz blackbird-obmc-linux-d80512f87474f2dfd67ef931737659acce20fe69.zip | |
s390/smp: improve setup of possible cpu mask
Since under z/VM we cannot have more than 64 cpus, make sure the
cpu_possible_mask does not contain more bits.
This avoids wasting memory for dynamic per-cpu allocations if
CONFIG_NR_CPUS is larger than 64.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 4444875266ee..0f3d44ecbfc6 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -1023,6 +1023,7 @@ void __init setup_arch(char **cmdline_p) setup_vmcoreinfo(); setup_lowcore(); + smp_fill_possible_mask(); cpu_init(); s390_init_cpu_topology(); |
