Commit 6d21cd62 authored by Li Zefan's avatar Li Zefan Committed by Ingo Molnar

sched: clean up SCHED_CPUMASK_ALLOC

Impact: cleanup

The #if/#endif is ugly. Change SCHED_CPUMASK_ALLOC and
SCHED_CPUMASK_FREE to static inline functions.
Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Acked-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 258594a1
......@@ -7279,13 +7279,21 @@ struct allmasks {
};
#if NR_CPUS > 128
#define SCHED_CPUMASK_ALLOC 1
#define SCHED_CPUMASK_FREE(v) kfree(v)
#define SCHED_CPUMASK_DECLARE(v) struct allmasks *v
#define SCHED_CPUMASK_DECLARE(v) struct allmasks *v
static inline void sched_cpumask_alloc(struct allmasks **masks)
{
*masks = kmalloc(sizeof(**masks), GFP_KERNEL);
}
static inline void sched_cpumask_free(struct allmasks *masks)
{
kfree(masks);
}
#else
#define SCHED_CPUMASK_ALLOC 0
#define SCHED_CPUMASK_FREE(v)
#define SCHED_CPUMASK_DECLARE(v) struct allmasks _v, *v = &_v
#define SCHED_CPUMASK_DECLARE(v) struct allmasks _v, *v = &_v
static inline void sched_cpumask_alloc(struct allmasks **masks)
{ }
static inline void sched_cpumask_free(struct allmasks *masks)
{ }
#endif
#define SCHED_CPUMASK_VAR(v, a) cpumask_t *v = (cpumask_t *) \
......@@ -7361,9 +7369,8 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
return -ENOMEM;
}
#if SCHED_CPUMASK_ALLOC
/* get space for all scratch cpumask variables */
allmasks = kmalloc(sizeof(*allmasks), GFP_KERNEL);
sched_cpumask_alloc(&allmasks);
if (!allmasks) {
printk(KERN_WARNING "Cannot alloc cpumask array\n");
kfree(rd);
......@@ -7372,7 +7379,7 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
#endif
return -ENOMEM;
}
#endif
tmpmask = (cpumask_t *)allmasks;
......@@ -7626,13 +7633,13 @@ static int __build_sched_domains(const cpumask_t *cpu_map,
cpu_attach_domain(sd, rd, i);
}
SCHED_CPUMASK_FREE((void *)allmasks);
sched_cpumask_free(allmasks);
return 0;
#ifdef CONFIG_NUMA
error:
free_sched_groups(cpu_map, tmpmask);
SCHED_CPUMASK_FREE((void *)allmasks);
sched_cpumask_free(allmasks);
kfree(rd);
return -ENOMEM;
#endif
......
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