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msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
This commit is contained in:
Bryan Huntsman
2011-08-16 17:27:22 -07:00
parent f06154cc47
commit 3f2bc4d6eb
1851 changed files with 780136 additions and 12902 deletions
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51
include/linux/genalloc.h
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@@ -8,31 +8,35 @@
* Version 2. See the file COPYING for more details.
*/
#ifndef __GENALLOC_H__
#define __GENALLOC_H__
/*
* General purpose special memory pool descriptor.
*/
struct gen_pool {
rwlock_t lock;
struct list_head chunks; /* list of chunks in this pool */
int min_alloc_order; /* minimum allocation order */
};
/*
* General purpose special memory pool chunk descriptor.
*/
struct gen_pool_chunk {
spinlock_t lock;
struct list_head next_chunk; /* next chunk in pool */
phys_addr_t phys_addr; /* physical starting address of memory chunk */
unsigned long start_addr; /* starting address of memory chunk */
unsigned long end_addr; /* ending address of memory chunk */
unsigned long bits[0]; /* bitmap for allocating memory chunk */
};
struct gen_pool;
struct gen_pool *__must_check gen_pool_create(unsigned order, int nid);
void gen_pool_destroy(struct gen_pool *pool);
unsigned long __must_check
gen_pool_alloc_aligned(struct gen_pool *pool, size_t size,
unsigned alignment_order);
/**
* gen_pool_alloc() - allocate special memory from the pool
* @pool: Pool to allocate from.
* @size: Number of bytes to allocate from the pool.
*
* Allocate the requested number of bytes from the specified pool.
* Uses a first-fit algorithm.
*/
static inline unsigned long __must_check
gen_pool_alloc(struct gen_pool *pool, size_t size)
{
return gen_pool_alloc_aligned(pool, size, 0);
}
void gen_pool_free(struct gen_pool *pool, unsigned long addr, size_t size);
extern struct gen_pool *gen_pool_create(int, int);
extern phys_addr_t gen_pool_virt_to_phys(struct gen_pool *pool, unsigned long);
extern int gen_pool_add_virt(struct gen_pool *, unsigned long, phys_addr_t,
size_t, int);
@@ -48,12 +52,9 @@ extern int gen_pool_add_virt(struct gen_pool *, unsigned long, phys_addr_t,
*
* Returns 0 on success or a -ve errno on failure.
*/
static inline int gen_pool_add(struct gen_pool *pool, unsigned long addr,
static inline int __must_check gen_pool_add(struct gen_pool *pool, unsigned long addr,
size_t size, int nid)
{
return gen_pool_add_virt(pool, addr, -1, size, nid);
}
extern void gen_pool_destroy(struct gen_pool *);
extern unsigned long gen_pool_alloc(struct gen_pool *, size_t);
extern void gen_pool_free(struct gen_pool *, unsigned long, size_t);
#endif /* __GENALLOC_H__ */