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 /arch/x86 | |
| parent | 409a7b859ddb6e0a615d9f3ccddedaec218c56b6 (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 'arch/x86')
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/mm/numa_64.c | 12 |
2 files changed, 7 insertions, 6 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2114b4c71fa..81af31e5a9f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -848,6 +848,7 @@ config NUMA_EMU config NODES_SHIFT int + range 1 15 if X86_64 default "6" if X86_64 default "4" if X86_NUMAQ default "3" diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 441af4edea5..0ca96d86cb7 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -31,15 +31,15 @@ bootmem_data_t plat_node_bdata[MAX_NUMNODES]; struct memnode memnode; -u16 x86_cpu_to_node_map_init[NR_CPUS] = { +int x86_cpu_to_node_map_init[NR_CPUS] = { [0 ... NR_CPUS-1] = NUMA_NO_NODE }; void *x86_cpu_to_node_map_early_ptr; -DEFINE_PER_CPU(u16, x86_cpu_to_node_map) = NUMA_NO_NODE; +DEFINE_PER_CPU(int, x86_cpu_to_node_map) = NUMA_NO_NODE; EXPORT_PER_CPU_SYMBOL(x86_cpu_to_node_map); EXPORT_SYMBOL(x86_cpu_to_node_map_early_ptr); -u16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = { +s16 apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = { [0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE }; @@ -63,7 +63,7 @@ static int __init populate_memnodemap(const struct bootnode *nodes, unsigned long addr, end; int i, res = -1; - memset(memnodemap, 0xff, memnodemapsize); + memset(memnodemap, 0xff, sizeof(s16)*memnodemapsize); for (i = 0; i < numnodes; i++) { addr = nodes[i].start; end = nodes[i].end; @@ -72,7 +72,7 @@ static int __init populate_memnodemap(const struct bootnode *nodes, if ((end >> shift) >= memnodemapsize) return 0; do { - if (memnodemap[addr >> shift] != 0xff) + if (memnodemap[addr >> shift] != NUMA_NO_NODE) return -1; memnodemap[addr >> shift] = i; addr += (1UL << shift); @@ -533,7 +533,7 @@ __cpuinit void numa_add_cpu(int cpu) void __cpuinit numa_set_node(int cpu, int node) { - u16 *cpu_to_node_map = x86_cpu_to_node_map_early_ptr; + int *cpu_to_node_map = x86_cpu_to_node_map_early_ptr; cpu_pda(cpu)->nodenumber = node; |