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authorBrian Gerst <brgerst@gmail.com>2009-01-19 00:38:59 +0900
committerTejun Heo <tj@kernel.org>2009-01-19 00:38:59 +0900
commite7a22c1ebcc1caa8178df1819d05128bb5b45ab9 (patch)
tree7769b1263850c97fa244a48ad9187ce0d74e1965 /arch/x86/kernel/cpu/common.c
parent5689553076c4a67b83426b076082c63085b7567a (diff)
x86-64: Move nodenumber from PDA to per-cpu.
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>
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r--arch/x86/kernel/cpu/common.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index e2323ecce1d..7976a6a0f65 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -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))