diff options
| author |   Mike Travis <travis@sgi.com> | 2007-10-16 01:24:05 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:42:50 -0700 |
| commit | d5a7430ddcdb598261d70f7eb1bf450b5be52085 (patch) | |
| tree | 3b94672e0dbc2bff125de3266908f1a47a17b795 /include/asm-sparc64/smp.h | |
| parent | x86: Convert cpu_core_map to be a per cpu variable (diff) | |
| download | linux-dev-d5a7430ddcdb598261d70f7eb1bf450b5be52085.tar.xz linux-dev-d5a7430ddcdb598261d70f7eb1bf450b5be52085.zip | |
Convert cpu_sibling_map to be a per cpu variable
Convert cpu_sibling_map from a static array sized by NR_CPUS to a per_cpu
variable. This saves sizeof(cpumask_t) * NR unused cpus. Access is mostly
from startup and CPU HOTPLUG functions.
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-sparc64/smp.h')
| -rw-r--r-- | include/asm-sparc64/smp.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h index e8a96a31761b..42c09949526c 100644 --- a/include/asm-sparc64/smp.h +++ b/include/asm-sparc64/smp.h @@ -28,8 +28,9 @@ #include <asm/bitops.h> #include <asm/atomic.h> +#include <asm/percpu.h> -extern cpumask_t cpu_sibling_map[NR_CPUS]; +DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); extern cpumask_t cpu_core_map[NR_CPUS]; extern int sparc64_multi_core; |