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x86-64: Move nodenumber from PDA to per-cpu.

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tj: * s/nodenumber/node_number/
    * removed now unused pda variable from pda_init()

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Brian Gerst
2009-01-19 00:38:59 +09:00
committed by Tejun Heo
parent 5689553076
commit e7a22c1ebc
4 changed files with 11 additions and 10 deletions
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13
arch/x86/kernel/cpu/common.c
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@ -897,18 +897,11 @@ DEFINE_PER_CPU(unsigned int, irq_count) = -1;
void __cpuinit pda_init(int cpu)
{
struct x8664_pda *pda = cpu_pda(cpu);
/* Setup up data that may be needed in __get_free_pages early */
loadsegment(fs, 0);
loadsegment(gs, 0);
load_pda_offset(cpu);
if (cpu != 0) {
if (pda->nodenumber == 0 && cpu_to_node(cpu) != NUMA_NO_NODE)
pda->nodenumber = cpu_to_node(cpu);
}
}
static DEFINE_PER_CPU_PAGE_ALIGNED(char, exception_stacks
@ -978,6 +971,12 @@ void __cpuinit cpu_init(void)
if (cpu != 0)
pda_init(cpu);
#ifdef CONFIG_NUMA
if (cpu != 0 && percpu_read(node_number) == 0 &&
cpu_to_node(cpu) != NUMA_NO_NODE)
percpu_write(node_number, cpu_to_node(cpu));
#endif
me = current;
if (cpumask_test_and_set_cpu(cpu, cpu_initialized_mask))