diff options
| author | travis@sgi.com <travis@sgi.com> | 2008-01-30 13:33:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:25 +0100 |
| commit | 4323838215184f5a2f081e0d17b8d60731b03164 (patch) | |
| tree | eb3553a15c127604044e6919c9c4a92cdb1b703a /include/asm-x86/topology.h | |
| parent | x86: relax restrictions on setting CONFIG_NUMA on x86, #2 (diff) | |
| download | linux-4323838215184f5a2f081e0d17b8d60731b03164.tar.xz linux-4323838215184f5a2f081e0d17b8d60731b03164.zip | |
x86: change size of node ids from u8 to s16
Change the size of node ids for X86_64 from u8 to s16 to
accomodate more than 32k nodes and allow for NUMA_NO_NODE
(-1) to be sign extended to int.
Cc: David Rientjes <rientjes@google.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/topology.h')
| -rw-r--r-- | include/asm-x86/topology.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h index 7b0cce2f370d..8af05a93f097 100644 --- a/include/asm-x86/topology.h +++ b/include/asm-x86/topology.h @@ -31,11 +31,11 @@ /* Mappings between logical cpu number and node number */ #ifdef CONFIG_X86_32 -extern u8 cpu_to_node_map[]; +extern int cpu_to_node_map[]; #else -DECLARE_PER_CPU(u16, x86_cpu_to_node_map); -extern u16 x86_cpu_to_node_map_init[]; +DECLARE_PER_CPU(int, x86_cpu_to_node_map); +extern int x86_cpu_to_node_map_init[]; extern void *x86_cpu_to_node_map_early_ptr; /* Returns the number of the current Node. */ #define numa_node_id() (early_cpu_to_node(raw_smp_processor_id())) @@ -43,7 +43,7 @@ extern void *x86_cpu_to_node_map_early_ptr; extern cpumask_t node_to_cpumask_map[]; -#define NUMA_NO_NODE ((u16)(~0)) +#define NUMA_NO_NODE (-1) /* Returns the number of the node containing CPU 'cpu' */ #ifdef CONFIG_X86_32 @@ -56,7 +56,7 @@ static inline int cpu_to_node(int cpu) #else /* CONFIG_X86_64 */ static inline int early_cpu_to_node(int cpu) { - u16 *cpu_to_node_map = x86_cpu_to_node_map_early_ptr; + int *cpu_to_node_map = x86_cpu_to_node_map_early_ptr; if (cpu_to_node_map) return cpu_to_node_map[cpu]; |