mm: export unusable free space index via debugfs

[~andy/linux] / mm / slob.c

diff --git a/mm/slob.c b/mm/slob.c
index c78742defdc6477ef7474ebc1fc8117173aaabfc..23631e2bb57af43c5cb577a75323cc9768798016 100644 (file)
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -467,14 +467,6 @@ out:
  * End of slob allocator proper. Begin kmem_cache_alloc and kmalloc frontend.
  */
 
-#ifndef ARCH_KMALLOC_MINALIGN
-#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long)
-#endif
-
-#ifndef ARCH_SLAB_MINALIGN
-#define ARCH_SLAB_MINALIGN __alignof__(unsigned long)
-#endif
-
 void *__kmalloc_node(size_t size, gfp_t gfp, int node)
 {
        unsigned int *m;
@@ -595,6 +587,8 @@ EXPORT_SYMBOL(kmem_cache_create);
 void kmem_cache_destroy(struct kmem_cache *c)
 {
        kmemleak_free(c);
+       if (c->flags & SLAB_DESTROY_BY_RCU)
+               rcu_barrier();
        slob_free(c, sizeof(struct kmem_cache));
 }
 EXPORT_SYMBOL(kmem_cache_destroy);
@@ -690,3 +684,8 @@ void __init kmem_cache_init(void)
 {
        slob_ready = 1;
 }
+
+void __init kmem_cache_init_late(void)
+{
+       /* Nothing to do */
+}