linux/sound/synth/util_mem.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (C) 2000 Takashi Iwai <[email protected]>
 *
 *  Generic memory management routines for soundcard memory allocation
 */

#include <linux/mutex.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/util_mem.h>

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;

#define get_memblk(p) …

/*
 * create a new memory manager
 */
struct snd_util_memhdr *
snd_util_memhdr_new(int memsize)
{ … }

/*
 * free a memory manager
 */
void snd_util_memhdr_free(struct snd_util_memhdr *hdr)
{ … }

/*
 * allocate a memory block (without mutex)
 */
struct snd_util_memblk *
__snd_util_mem_alloc(struct snd_util_memhdr *hdr, int size)
{ … }


/*
 * create a new memory block with the given size
 * the block is linked next to prev
 */
struct snd_util_memblk *
__snd_util_memblk_new(struct snd_util_memhdr *hdr, unsigned int units,
		      struct list_head *prev)
{ … }


/*
 * allocate a memory block (with mutex)
 */
struct snd_util_memblk *
snd_util_mem_alloc(struct snd_util_memhdr *hdr, int size)
{ … }


/*
 * remove the block from linked-list and free resource
 * (without mutex)
 */
void
__snd_util_mem_free(struct snd_util_memhdr *hdr, struct snd_util_memblk *blk)
{ … }

/*
 * free a memory block (with mutex)
 */
int snd_util_mem_free(struct snd_util_memhdr *hdr, struct snd_util_memblk *blk)
{ … }

/*
 * return available memory size
 */
int snd_util_mem_avail(struct snd_util_memhdr *hdr)
{ … }


EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);
EXPORT_SYMBOL(…);