2010-01-17 01:53:50 +08:00
|
|
|
/******************************************************************************/
|
|
|
|
|
#ifdef JEMALLOC_H_TYPES
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Size and alignment of memory chunks that are allocated by the OS's virtual
|
|
|
|
|
* memory system.
|
|
|
|
|
*/
|
|
|
|
|
#define LG_CHUNK_DEFAULT 22
|
|
|
|
|
|
|
|
|
|
/* Return the chunk address for allocation address a. */
|
|
|
|
|
#define CHUNK_ADDR2BASE(a) \
|
|
|
|
|
((void *)((uintptr_t)(a) & ~chunksize_mask))
|
|
|
|
|
|
|
|
|
|
/* Return the chunk offset of address a. */
|
|
|
|
|
#define CHUNK_ADDR2OFFSET(a) \
|
|
|
|
|
((size_t)((uintptr_t)(a) & chunksize_mask))
|
|
|
|
|
|
|
|
|
|
/* Return the smallest chunk multiple that is >= s. */
|
|
|
|
|
#define CHUNK_CEILING(s) \
|
|
|
|
|
(((s) + chunksize_mask) & ~chunksize_mask)
|
|
|
|
|
|
|
|
|
|
#endif /* JEMALLOC_H_TYPES */
|
|
|
|
|
/******************************************************************************/
|
|
|
|
|
#ifdef JEMALLOC_H_STRUCTS
|
|
|
|
|
|
|
|
|
|
#endif /* JEMALLOC_H_STRUCTS */
|
|
|
|
|
/******************************************************************************/
|
|
|
|
|
#ifdef JEMALLOC_H_EXTERNS
|
|
|
|
|
|
2010-01-24 18:53:40 +08:00
|
|
|
extern size_t opt_lg_chunk;
|
|
|
|
|
#ifdef JEMALLOC_SWAP
|
|
|
|
|
extern bool opt_overcommit;
|
|
|
|
|
#endif
|
|
|
|
|
|
2010-02-11 10:15:53 +08:00
|
|
|
#if (defined(JEMALLOC_STATS) || defined(JEMALLOC_PROF))
|
2010-01-28 05:10:55 +08:00
|
|
|
/* Protects stats_chunks; currently not used for any other purpose. */
|
|
|
|
|
extern malloc_mutex_t chunks_mtx;
|
2010-01-17 01:53:50 +08:00
|
|
|
/* Chunk statistics. */
|
|
|
|
|
extern chunk_stats_t stats_chunks;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
extern size_t chunksize;
|
|
|
|
|
extern size_t chunksize_mask; /* (chunksize - 1). */
|
|
|
|
|
extern size_t chunk_npages;
|
|
|
|
|
extern size_t arena_chunk_header_npages;
|
|
|
|
|
extern size_t arena_maxclass; /* Max size class for arenas. */
|
|
|
|
|
|
2010-01-25 09:13:07 +08:00
|
|
|
void *chunk_alloc(size_t size, bool *zero);
|
2010-01-17 01:53:50 +08:00
|
|
|
void chunk_dealloc(void *chunk, size_t size);
|
|
|
|
|
bool chunk_boot(void);
|
|
|
|
|
|
|
|
|
|
#endif /* JEMALLOC_H_EXTERNS */
|
|
|
|
|
/******************************************************************************/
|
|
|
|
|
#ifdef JEMALLOC_H_INLINES
|
|
|
|
|
|
|
|
|
|
#endif /* JEMALLOC_H_INLINES */
|
|
|
|
|
/******************************************************************************/
|
2010-01-24 18:53:40 +08:00
|
|
|
|
|
|
|
|
#include "internal/jemalloc_chunk_swap.h"
|
|
|
|
|
#include "internal/jemalloc_chunk_dss.h"
|
|
|
|
|
#include "internal/jemalloc_chunk_mmap.h"
|
