X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=mm%2Fslob.c;h=7b52b20b9607f9c3be1f1244b4c5b14dce07f4a7;hb=250d375d1da45a5e08ab8baf5eaa7eb258afd82b;hp=a1f42bdc0245c84889080f20be6abb42ac808add;hpb=b05005772f34497eb2b7415a651fe785cbe70e16;p=powerpc.git diff --git a/mm/slob.c b/mm/slob.c index a1f42bdc02..7b52b20b96 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -29,7 +29,6 @@ * essentially no allocation space overhead. */ -#include #include #include #include @@ -294,6 +293,16 @@ void *kmem_cache_alloc(struct kmem_cache *c, gfp_t flags) } EXPORT_SYMBOL(kmem_cache_alloc); +void *kmem_cache_zalloc(struct kmem_cache *c, gfp_t flags) +{ + void *ret = kmem_cache_alloc(c, flags); + if (ret) + memset(ret, 0, c->size); + + return ret; +} +EXPORT_SYMBOL(kmem_cache_zalloc); + void kmem_cache_free(struct kmem_cache *c, void *b) { if (c->dtor) @@ -344,9 +353,7 @@ void *__alloc_percpu(size_t size) if (!pdata) return NULL; - for (i = 0; i < NR_CPUS; i++) { - if (!cpu_possible(i)) - continue; + for_each_possible_cpu(i) { pdata->ptrs[i] = kmalloc(size, GFP_KERNEL); if (!pdata->ptrs[i]) goto unwind_oom; @@ -373,11 +380,9 @@ free_percpu(const void *objp) int i; struct percpu_data *p = (struct percpu_data *) (~(unsigned long) objp); - for (i = 0; i < NR_CPUS; i++) { - if (!cpu_possible(i)) - continue; + for_each_possible_cpu(i) kfree(p->ptrs[i]); - } + kfree(p); } EXPORT_SYMBOL(free_percpu);