From cd83e42c6b0413dcbb548c2ead799111ff7e6a13 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 7 Nov 2008 11:12:29 +1100 Subject: [PATCH] cpumask: new API, v2 - add cpumask_of() - add free_bootmem_cpumask_var() Signed-off-by: Rusty Russell Signed-off-by: Ingo Molnar --- include/linux/cpumask.h | 11 +++++++++++ lib/cpumask.c | 5 +++++ 2 files changed, 16 insertions(+) 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 @@ -893,6 +893,12 @@ 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 -- 2.20.1