[PATCH] spin/rwlock init cleanups

[karo-tx-linux.git] / mm / slob.c

diff --git a/mm/slob.c b/mm/slob.c
index 1c240c4b71d9bba885ee2a507dd2d83de3f004e9..a68255ba4553770f7c4050857a11661160ea3942 100644 (file)
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -294,6 +294,16 @@ 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)
@@ -336,7 +346,7 @@ EXPORT_SYMBOL(slab_reclaim_pages);
 
 #ifdef CONFIG_SMP
 
-void *__alloc_percpu(size_t size, size_t align)
+void *__alloc_percpu(size_t size)
 {
        int i;
        struct percpu_data *pdata = kmalloc(sizeof (*pdata), GFP_KERNEL);
@@ -344,9 +354,7 @@ void *__alloc_percpu(size_t size, size_t align)
        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 +381,9 @@ 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);