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cpumask: introduce zalloc_cpumask_var

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So can get cpumask_var with cpumask_clear

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Yinghai Lu 2009-06-06 14:50:36 -07:00 • committed by Rusty Russell
parent 3af968e066
commit 0281b5dc03
2 changed files with 27 additions and 0 deletions
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15
include/linux/cpumask.h
View file

@ -1022,6 +1022,8 @@ typedef struct cpumask *cpumask_var_t;
bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node);
bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags);
bool zalloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node);
bool zalloc_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);
@ -1040,6 +1042,19 @@ static inline bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags,
return true;
}
static inline bool zalloc_cpumask_var(cpumask_var_t *mask, gfp_t flags)
{
cpumask_clear(*mask);
return true;
}
static inline bool zalloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags,
int node)
{
cpumask_clear(*mask);
return true;
}
static inline void alloc_bootmem_cpumask_var(cpumask_var_t *mask)
{
}