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The Android Open Source Project1dc9e472009-03-03 19:28:35 -08001/****************************************************************************
2 ****************************************************************************
3 ***
4 *** This header was automatically generated from a Linux kernel header
5 *** of the same name, to make information necessary for userspace to
6 *** call into the kernel available to libc. It contains only constants,
7 *** structures, and macros generated from the original header, and thus,
8 *** contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _LINUX_MEMPOOL_H
13#define _LINUX_MEMPOOL_H
Ben Cheng4b29af02012-03-07 16:14:53 -080014
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080015#include <linux/wait.h>
Ben Cheng4b29af02012-03-07 16:14:53 -080016
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080017struct kmem_cache;
Ben Cheng4b29af02012-03-07 16:14:53 -080018
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080019typedef void * (mempool_alloc_t)(gfp_t gfp_mask, void *pool_data);
20typedef void (mempool_free_t)(void *element, void *pool_data);
Ben Cheng4b29af02012-03-07 16:14:53 -080021
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080022typedef struct mempool_s {
23 spinlock_t lock;
24 int min_nr;
25 int curr_nr;
26 void **elements;
Ben Cheng4b29af02012-03-07 16:14:53 -080027
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080028 void *pool_data;
29 mempool_alloc_t *alloc;
30 mempool_free_t *free;
31 wait_queue_head_t wait;
32} mempool_t;
Ben Cheng4b29af02012-03-07 16:14:53 -080033
The Android Open Source Project1dc9e472009-03-03 19:28:35 -080034#endif