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mm/allocpercpu.c: make 4 functions static

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This patch makes the following needlessly global functions static:
 - percpu_depopulate()
 - __percpu_depopulate_mask()
 - percpu_populate()
 - __percpu_populate_mask()

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Adrian Bunk 2008-07-25 19:46:23 -07:00 committed by Linus Torvalds
parent 9e5c6da71e
commit 9d8fddfb17
2 changed files with 11 additions and 38 deletions
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29
include/linux/percpu.h
View File

@ -74,11 +74,6 @@ struct percpu_data {
(__typeof__(ptr))__p->ptrs[(cpu)]; \
})
extern void *percpu_populate(void *__pdata, size_t size, gfp_t gfp, int cpu);
extern void percpu_depopulate(void *__pdata, int cpu);
extern int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp,
cpumask_t *mask);
extern void __percpu_depopulate_mask(void *__pdata, cpumask_t *mask);
extern void *__percpu_alloc_mask(size_t size, gfp_t gfp, cpumask_t *mask);
extern void percpu_free(void *__pdata);
@ -86,26 +81,6 @@ extern void percpu_free(void *__pdata);
#define percpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
static inline void percpu_depopulate(void *__pdata, int cpu)
{
}
static inline void __percpu_depopulate_mask(void *__pdata, cpumask_t *mask)
{
}
static inline void *percpu_populate(void *__pdata, size_t size, gfp_t gfp,
int cpu)
{
return percpu_ptr(__pdata, cpu);
}
static inline int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp,
cpumask_t *mask)
{
return 0;
}
static __always_inline void *__percpu_alloc_mask(size_t size, gfp_t gfp, cpumask_t *mask)
{
return kzalloc(size, gfp);
@ -118,10 +93,6 @@ static inline void percpu_free(void *__pdata)
#endif /* CONFIG_SMP */
#define percpu_populate_mask(__pdata, size, gfp, mask) \
__percpu_populate_mask((__pdata), (size), (gfp), &(mask))
#define percpu_depopulate_mask(__pdata, mask) \
__percpu_depopulate_mask((__pdata), &(mask))
#define percpu_alloc_mask(size, gfp, mask) \
__percpu_alloc_mask((size), (gfp), &(mask))

20
mm/allocpercpu.c
View File

@ -18,27 +18,28 @@
* Depopulating per-cpu data for a cpu going offline would be a typical
* use case. You need to register a cpu hotplug handler for that purpose.
*/
void percpu_depopulate(void *__pdata, int cpu)
static void percpu_depopulate(void *__pdata, int cpu)
{
struct percpu_data *pdata = __percpu_disguise(__pdata);
kfree(pdata->ptrs[cpu]);
pdata->ptrs[cpu] = NULL;
}
EXPORT_SYMBOL_GPL(percpu_depopulate);
/**
* percpu_depopulate_mask - depopulate per-cpu data for some cpu's
* @__pdata: per-cpu data to depopulate
* @mask: depopulate per-cpu data for cpu's selected through mask bits
*/
void __percpu_depopulate_mask(void *__pdata, cpumask_t *mask)
static void __percpu_depopulate_mask(void *__pdata, cpumask_t *mask)
{
int cpu;
for_each_cpu_mask_nr(cpu, *mask)
percpu_depopulate(__pdata, cpu);
}
EXPORT_SYMBOL_GPL(__percpu_depopulate_mask);
#define percpu_depopulate_mask(__pdata, mask) \
__percpu_depopulate_mask((__pdata), &(mask))
/**
* percpu_populate - populate per-cpu data for given cpu
@ -51,7 +52,7 @@ EXPORT_SYMBOL_GPL(__percpu_depopulate_mask);
* use case. You need to register a cpu hotplug handler for that purpose.
* Per-cpu object is populated with zeroed buffer.
*/
void *percpu_populate(void *__pdata, size_t size, gfp_t gfp, int cpu)
static void *percpu_populate(void *__pdata, size_t size, gfp_t gfp, int cpu)
{
struct percpu_data *pdata = __percpu_disguise(__pdata);
int node = cpu_to_node(cpu);
@ -68,7 +69,6 @@ void *percpu_populate(void *__pdata, size_t size, gfp_t gfp, int cpu)
pdata->ptrs[cpu] = kzalloc(size, gfp);
return pdata->ptrs[cpu];
}
EXPORT_SYMBOL_GPL(percpu_populate);
/**
* percpu_populate_mask - populate per-cpu data for more cpu's
@ -79,8 +79,8 @@ EXPORT_SYMBOL_GPL(percpu_populate);
*
* Per-cpu objects are populated with zeroed buffers.
*/
int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp,
cpumask_t *mask)
static int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp,
cpumask_t *mask)
{
cpumask_t populated;
int cpu;
@ -94,7 +94,9 @@ int __percpu_populate_mask(void *__pdata, size_t size, gfp_t gfp,
cpu_set(cpu, populated);
return 0;
}
EXPORT_SYMBOL_GPL(__percpu_populate_mask);
#define percpu_populate_mask(__pdata, size, gfp, mask) \
__percpu_populate_mask((__pdata), (size), (gfp), &(mask))
/**
* percpu_alloc_mask - initial setup of per-cpu data