#ifndef MM_SLAB_H #define MM_SLAB_H /* * Internal slab definitions */ /* * State of the slab allocator. * * This is used to describe the states of the allocator during bootup. * Allocators use this to gradually bootstrap themselves. Most allocators * have the problem that the structures used for managing slab caches are * allocated from slab caches themselves. */ enum slab_state { DOWN, /* No slab functionality yet */ PARTIAL, /* SLUB: kmem_cache_node available */ PARTIAL_ARRAYCACHE, /* SLAB: kmalloc size for arraycache available */ PARTIAL_L3, /* SLAB: kmalloc size for l3 struct available */ UP, /* Slab caches usable but not all extras yet */ FULL /* Everything is working */ }; extern enum slab_state slab_state; /* The slab cache mutex protects the management structures during changes */ extern struct mutex slab_mutex; extern struct list_head slab_caches; struct kmem_cache *__kmem_cache_create(const char *name, size_t size, size_t align, unsigned long flags, void (*ctor)(void *)); #endif