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authortravis@sgi.com <travis@sgi.com>2008-01-30 13:33:25 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:33:25 +0100
commit4323838215184f5a2f081e0d17b8d60731b03164 (patch)
treeeb3553a15c127604044e6919c9c4a92cdb1b703a /include
parent409a7b859ddb6e0a615d9f3ccddedaec218c56b6 (diff)
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')
-rw-r--r--include/asm-x86/mmzone_64.h6
-rw-r--r--include/asm-x86/numa_64.h2
-rw-r--r--include/asm-x86/topology.h10
3 files changed, 9 insertions, 9 deletions
diff --git a/include/asm-x86/mmzone_64.h b/include/asm-x86/mmzone_64.h
index b0c25ae111d..ebaf9663aa8 100644
--- a/include/asm-x86/mmzone_64.h
+++ b/include/asm-x86/mmzone_64.h
@@ -15,9 +15,9 @@
struct memnode {
int shift;
unsigned int mapsize;
- u8 *map;
- u8 embedded_map[64-16];
-} ____cacheline_aligned; /* total size = 64 bytes */
+ s16 *map;
+ s16 embedded_map[64-8];
+} ____cacheline_aligned; /* total size = 128 bytes */
extern struct memnode memnode;
#define memnode_shift memnode.shift
#define memnodemap memnode.map
diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h
index c797cd523d2..15fe07cde58 100644
--- a/include/asm-x86/numa_64.h
+++ b/include/asm-x86/numa_64.h
@@ -20,7 +20,7 @@ extern void numa_set_node(int cpu, int node);
extern void srat_reserve_add_area(int nodeid);
extern int hotadd_percent;
-extern u16 apicid_to_node[MAX_LOCAL_APIC];
+extern s16 apicid_to_node[MAX_LOCAL_APIC];
extern void numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn);
extern unsigned long numa_free_all_bootmem(void);
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 7b0cce2f370..8af05a93f09 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];