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-rw-r--r--mm/slob.c45
1 files changed, 0 insertions, 45 deletions
diff --git a/mm/slob.c b/mm/slob.c
index 7b52b20b9607..4c28a421b270 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -343,48 +343,3 @@ void kmem_cache_init(void)
343atomic_t slab_reclaim_pages = ATOMIC_INIT(0); 343atomic_t slab_reclaim_pages = ATOMIC_INIT(0);
344EXPORT_SYMBOL(slab_reclaim_pages); 344EXPORT_SYMBOL(slab_reclaim_pages);
345 345
346#ifdef CONFIG_SMP
347
348void *__alloc_percpu(size_t size)
349{
350 int i;
351 struct percpu_data *pdata = kmalloc(sizeof (*pdata), GFP_KERNEL);
352
353 if (!pdata)
354 return NULL;
355
356 for_each_possible_cpu(i) {
357 pdata->ptrs[i] = kmalloc(size, GFP_KERNEL);
358 if (!pdata->ptrs[i])
359 goto unwind_oom;
360 memset(pdata->ptrs[i], 0, size);
361 }
362
363 /* Catch derefs w/o wrappers */
364 return (void *) (~(unsigned long) pdata);
365
366unwind_oom:
367 while (--i >= 0) {
368 if (!cpu_possible(i))
369 continue;
370 kfree(pdata->ptrs[i]);
371 }
372 kfree(pdata);
373 return NULL;
374}
375EXPORT_SYMBOL(__alloc_percpu);
376
377void
378free_percpu(const void *objp)
379{
380 int i;
381 struct percpu_data *p = (struct percpu_data *) (~(unsigned long) objp);
382
383 for_each_possible_cpu(i)
384 kfree(p->ptrs[i]);
385
386 kfree(p);
387}
388EXPORT_SYMBOL(free_percpu);
389
390#endif