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| author | Ravikiran G Thirumalai | 2005-09-07 00:17:45 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2005-09-08 01:57:33 +0200 |
| commit | 6c231b7bab0aa6860cd9da2de8a064eddc34c146 (patch) | |
| tree | 2a6d9dea348651ec6000b96b99fbf5bd9ccdb228 /arch/x86_64/kernel/smpboot.c | |
| parent | [PATCH] futex: remove duplicate code (diff) | |
| download | kernel-qcow2-linux-6c231b7bab0aa6860cd9da2de8a064eddc34c146.tar.gz kernel-qcow2-linux-6c231b7bab0aa6860cd9da2de8a064eddc34c146.tar.xz kernel-qcow2-linux-6c231b7bab0aa6860cd9da2de8a064eddc34c146.zip | |
[PATCH] Additions to .data.read_mostly section
Mark variables which are usually accessed for reads with __readmostly.
Signed-off-by: Alok N Kataria <alokk@calsoftinc.com>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/smpboot.c')
| -rw-r--r-- | arch/x86_64/kernel/smpboot.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index fa25e39fe54d..90aeccd15190 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -62,13 +62,13 @@ /* Number of siblings per CPU package */ int smp_num_siblings = 1; /* Package ID of each logical CPU */ -u8 phys_proc_id[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID }; -u8 cpu_core_id[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID }; +u8 phys_proc_id[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BAD_APICID }; +u8 cpu_core_id[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BAD_APICID }; EXPORT_SYMBOL(phys_proc_id); EXPORT_SYMBOL(cpu_core_id); /* Bitmask of currently online CPUs */ -cpumask_t cpu_online_map; +cpumask_t cpu_online_map __read_mostly; EXPORT_SYMBOL(cpu_online_map); @@ -88,8 +88,8 @@ struct cpuinfo_x86 cpu_data[NR_CPUS] __cacheline_aligned; /* Set when the idlers are all forked */ int smp_threads_ready; -cpumask_t cpu_sibling_map[NR_CPUS] __cacheline_aligned; -cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned; +cpumask_t cpu_sibling_map[NR_CPUS] __read_mostly; +cpumask_t cpu_core_map[NR_CPUS] __read_mostly; EXPORT_SYMBOL(cpu_core_map); /* |