diff options
author | Mike Travis <travis@sgi.com> | 2008-05-12 15:21:12 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 05:31:23 -0400 |
commit | 7891a24e1ee50c96896c0cf7da216a8e7b573ca5 (patch) | |
tree | 266b61fbb62a1f9825e473d02bc528049e31e7fb /include/asm-x86/topology.h | |
parent | 23ca4bba3e20c6c3cb11c1bb0ab4770b724d39ac (diff) |
x86: restore pda nodenumber field
* Restore the nodenumber field in the x86_64 pda. This field is slightly
different than the x86_cpu_to_node_map mainly because it's a static
indication of which node the cpu is on while the cpu to node map is a
dyanamic mapping that may get reset if the cpu goes offline. This also
simplifies the numa_node_id() macro.
For inclusion into sched-devel/latest tree.
Based on:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
+ sched-devel/latest .../mingo/linux-2.6-sched-devel.git
Signed-off-by: Mike Travis <travis@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 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h index dac09cb66dca..c0e6ff7671ea 100644 --- a/include/asm-x86/topology.h +++ b/include/asm-x86/topology.h | |||
@@ -66,7 +66,7 @@ extern cpumask_t node_to_cpumask_map[]; | |||
66 | DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map); | 66 | DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map); |
67 | 67 | ||
68 | /* Returns the number of the current Node. */ | 68 | /* Returns the number of the current Node. */ |
69 | #define numa_node_id() (per_cpu(x86_cpu_to_node_map, raw_smp_processor_id())) | 69 | #define numa_node_id() read_pda(nodenumber) |
70 | 70 | ||
71 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS | 71 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS |
72 | extern int cpu_to_node(int cpu); | 72 | extern int cpu_to_node(int cpu); |