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| author | Andi Kleen | 2005-11-05 17:25:53 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2005-11-15 04:55:14 +0100 |
| commit | 69d81fcde7797342417591ba7affb372b9c86eae (patch) | |
| tree | 97fbc73fd20f8ebc313b2bc41367a8efe36c2c3d /include/asm-x86_64/numa.h | |
| parent | [PATCH] x86_64: Fix gcc 4 warning in aperture.c (diff) | |
| download | kernel-qcow2-linux-69d81fcde7797342417591ba7affb372b9c86eae.tar.gz kernel-qcow2-linux-69d81fcde7797342417591ba7affb372b9c86eae.tar.xz kernel-qcow2-linux-69d81fcde7797342417591ba7affb372b9c86eae.zip | |
[PATCH] x86_64: Speed up numa_node_id by putting it directly into the PDA
Not go from the CPU number to an mapping array.
Mode number is often used now in fast paths.
This also adds a generic numa_node_id to all the topology includes
Suggested by Eric Dumazet
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-x86_64/numa.h')
| -rw-r--r-- | include/asm-x86_64/numa.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h index bcf55c3f7f7f..d51e56fdc3da 100644 --- a/include/asm-x86_64/numa.h +++ b/include/asm-x86_64/numa.h @@ -17,6 +17,8 @@ extern void numa_add_cpu(int cpu); extern void numa_init_array(void); extern int numa_off; +extern void numa_set_node(int cpu, int node); + extern unsigned char apicid_to_node[256]; #define NUMA_NO_NODE 0xff |