111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/****************************************************************************
211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************
311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   This header was automatically generated from a Linux kernel header
511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   of the same name, to make information necessary for userspace to
611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   call into the kernel available to libc.  It contains only constants,
711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   structures, and macros generated from the original header, and thus,
811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***   contains no copyrightable information.
911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ***
1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************
1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/
1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LINUX_MEMPOOL_H
1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define _LINUX_MEMPOOL_H
1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/wait.h>
1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct kmem_cache;
1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
1911cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef void * (mempool_alloc_t)(gfp_t gfp_mask, void *pool_data);
2011cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef void (mempool_free_t)(void *element, void *pool_data);
2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
2211cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef struct mempool_s {
2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert spinlock_t lock;
2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert int min_nr;
2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert int curr_nr;
2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert void **elements;
2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert void *pool_data;
2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert mempool_alloc_t *alloc;
3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert mempool_free_t *free;
3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert wait_queue_head_t wait;
3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} mempool_t;
3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert
3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif
35