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scst.h: Backport more cpumask.h functions

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6413 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2015-07-10 16:04:27 +00:00
parent ac156d84c0
commit 84d90ac96e
1 changed files with 24 additions and 0 deletions
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scst/include/scst.h
+24
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@@ -165,6 +165,20 @@ typedef cpumask_t cpumask_var_t[1];
#define nr_cpumask_bits NR_CPUS
#endif
#ifdef CONFIG_CPUMASK_OFFSTACK
bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags);
void free_cpumask_var(cpumask_var_t mask);
#else
static inline void free_cpumask_var(cpumask_var_t mask)
{
}
static inline bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags)
{
return true;
}
#endif
/* verify cpu argument to cpumask_* operators */
static inline unsigned int cpumask_check(unsigned int cpu)
{
@@ -201,6 +215,16 @@ static inline unsigned int cpumask_next(int n, const cpumask_t *srcp)
(cpu) = cpumask_next((cpu), (mask)), \
(cpu) < nr_cpu_ids;)
/**
* cpumask_set_cpu - set a cpu in a cpumask
* @cpu: cpu number (< nr_cpu_ids)
* @dstp: the cpumask pointer
*/
static inline void cpumask_set_cpu(unsigned int cpu, cpumask_t *dstp)
{
set_bit(cpu, cpumask_bits(dstp));
}
/**
* cpumask_copy - *dstp = *srcp
* @dstp: the result