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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-11-07 11:12:29 +1100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-07 12:52:30 +0100 |
| commit | cd83e42c6b0413dcbb548c2ead799111ff7e6a13 (patch) | |
| tree | 0110f8f39a8f88aacfbe4f0692b099373523edc0 | |
| parent | 2d3854a37e8b767a51aba38ed6d22817b0631e33 (diff) | |
| download | linux-cd83e42c6b0413dcbb548c2ead799111ff7e6a13.tar.bz2 | |
cpumask: new API, v2
- add cpumask_of()
- add free_bootmem_cpumask_var()
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | include/linux/cpumask.h | 11 | ||||
| -rw-r--r-- | lib/cpumask.c | 5 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index c8e66619097b..31caa1bc620a 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -894,6 +894,12 @@ static inline void cpumask_copy(struct cpumask *dstp, #define cpumask_any_and(mask1, mask2) cpumask_first_and((mask1), (mask2)) /** + * cpumask_of - the cpumask containing just a given cpu + * @cpu: the cpu (<= nr_cpu_ids) + */ +#define cpumask_of(cpu) (get_cpu_mask(cpu)) + +/** * to_cpumask - convert an NR_CPUS bitmap to a struct cpumask * * @bitmap: the bitmap * @@ -946,6 +952,7 @@ typedef struct cpumask *cpumask_var_t; bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags); void alloc_bootmem_cpumask_var(cpumask_var_t *mask); void free_cpumask_var(cpumask_var_t mask); +void free_bootmem_cpumask_var(cpumask_var_t mask); #else typedef struct cpumask cpumask_var_t[1]; @@ -962,6 +969,10 @@ static inline void alloc_bootmem_cpumask_var(cpumask_var_t *mask) static inline void free_cpumask_var(cpumask_var_t mask) { } + +static inline void free_bootmem_cpumask_var(cpumask_var_t mask) +{ +} #endif /* CONFIG_CPUMASK_OFFSTACK */ /* The pointer versions of the maps, these will become the primary versions. */ diff --git a/lib/cpumask.c b/lib/cpumask.c index 5ceb4211c834..2ebc3a9a7465 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -107,4 +107,9 @@ void free_cpumask_var(cpumask_var_t mask) kfree(mask); } EXPORT_SYMBOL(free_cpumask_var); + +void free_bootmem_cpumask_var(cpumask_var_t mask) +{ + free_bootmem((unsigned long)mask, cpumask_size()); +} #endif |