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📄 arena_externs.h(4.83 KB)
📄 arena_inlines_a.h(1.44 KB)
📄 arena_inlines_b.h(11.54 KB)
📄 arena_stats.h(7.92 KB)
📄 arena_structs_a.h(293 B)
📄 arena_structs_b.h(6.63 KB)
📄 arena_types.h(1.67 KB)
📄 assert.h(1.3 KB)
📄 atomic.h(2.66 KB)
📄 atomic_c11.h(3.46 KB)
📄 atomic_gcc_atomic.h(4.06 KB)
📄 atomic_gcc_sync.h(6.21 KB)
📄 background_thread_externs.h(1.29 KB)
📄 background_thread_inlines.h(2.09 KB)
📄 background_thread_structs.h(1.74 KB)
📄 base_externs.h(946 B)
📄 base_inlines.h(312 B)
📄 base_structs.h(1.52 KB)
📄 base_types.h(1.08 KB)
📄 bin.h(3.6 KB)
📄 bin_stats.h(1.35 KB)
📄 bin_types.h(474 B)
📄 bit_util.h(5.22 KB)
📄 bitmap.h(10.97 KB)
📄 cache_bin.h(3.69 KB)
📄 ckh.h(3.19 KB)
📄 ctl.h(3.62 KB)
📄 div.h(1.14 KB)
📄 emitter.h(13.06 KB)
📄 extent_dss.h(728 B)
📄 extent_externs.h(3.75 KB)
📄 extent_inlines.h(13.4 KB)
📄 extent_mmap.h(328 B)
📄 extent_structs.h(8.46 KB)
📄 extent_types.h(700 B)
📄 hash.h(7.88 KB)
📄 hook.h(5.41 KB)
📄 jemalloc_internal_decls.h(2.19 KB)
📄 jemalloc_internal_defs.h(10.93 KB)
📄 jemalloc_internal_defs_FreeBSD.h(256 B)
📄 jemalloc_internal_externs.h(1.75 KB)
📄 jemalloc_internal_includes.h(4.19 KB)
📄 jemalloc_internal_inlines_a.h(4.39 KB)
📄 jemalloc_internal_inlines_b.h(2.24 KB)
📄 jemalloc_internal_inlines_c.h(7.08 KB)
📄 jemalloc_internal_macros.h(3.99 KB)
📄 jemalloc_internal_types.h(3.42 KB)
📄 jemalloc_preamble.h(3.9 KB)
📄 large_externs.h(1.4 KB)
📄 log.h(3.67 KB)
📄 malloc_io.h(2.9 KB)
📄 mutex.h(9.34 KB)
📄 mutex_pool.h(2.81 KB)
📄 mutex_prof.h(3.55 KB)
📄 nstime.h(1.27 KB)
📄 pages.h(3.05 KB)
📄 ph.h(12.26 KB)
📄 private_namespace.h(22.72 KB)
📄 prng.h(4.69 KB)
📄 prof_externs.h(3.79 KB)
📄 prof_inlines_a.h(2.44 KB)
📄 prof_inlines_b.h(6.42 KB)
📄 prof_structs.h(5.02 KB)
📄 prof_types.h(1.74 KB)
📄 public_namespace.h(1.03 KB)
📄 ql.h(2.45 KB)
📄 qr.h(2.29 KB)
📄 quantum.h(1.75 KB)
📄 rb.h(37.41 KB)
📄 rtree.h(17.01 KB)
📄 rtree_tsd.h(1.82 KB)
📄 safety_check.h(797 B)
📄 sc.h(12.98 KB)
📄 seq.h(1.81 KB)
📄 smoothstep.h(15.26 KB)
📄 spin.h(613 B)
📄 stats.h(998 B)
📄 sz.h(7.96 KB)
📄 tcache_externs.h(2.09 KB)
📄 tcache_inlines.h(5.73 KB)
📄 tcache_structs.h(2.05 KB)
📄 tcache_types.h(2.01 KB)
📄 test_hooks.h(459 B)
📄 ticker.h(2.21 KB)
📄 tsd.h(12.49 KB)
📄 tsd_generic.h(3.76 KB)
📄 tsd_malloc_thread_cleanup.h(1.19 KB)
📄 tsd_tls.h(1.12 KB)
📄 tsd_types.h(258 B)
📄 util.h(1.43 KB)
📄 witness.h(9.32 KB)

Editing: bin.h

#ifndef JEMALLOC_INTERNAL_BIN_H
#define JEMALLOC_INTERNAL_BIN_H

#include "jemalloc/internal/bin_stats.h"
#include "jemalloc/internal/bin_types.h"
#include "jemalloc/internal/extent_types.h"
#include "jemalloc/internal/extent_structs.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/sc.h"

/*
 * A bin contains a set of extents that are currently being used for slab
 * allocations.
 */

/*
 * Read-only information associated with each element of arena_t's bins array
 * is stored separately, partly to reduce memory usage (only one copy, rather
 * than one per arena), but mainly to avoid false cacheline sharing.
 *
 * Each slab has the following layout:
 *
 *   /--------------------\
 *   | region 0           |
 *   |--------------------|
 *   | region 1           |
 *   |--------------------|
 *   | ...                |
 *   | ...                |
 *   | ...                |
 *   |--------------------|
 *   | region nregs-1     |
 *   \--------------------/
 */
typedef struct bin_info_s bin_info_t;
struct bin_info_s {
	/* Size of regions in a slab for this bin's size class. */
	size_t			reg_size;

/* Total size of a slab for this bin's size class. */
	size_t			slab_size;

/* Total number of regions in a slab for this bin's size class. */
	uint32_t		nregs;

/* Number of sharded bins in each arena for this size class. */
	uint32_t		n_shards;

/*
	 * Metadata used to manipulate bitmaps for slabs associated with this
	 * bin.
	 */
	bitmap_info_t		bitmap_info;
};

extern bin_info_t bin_infos[SC_NBINS];

typedef struct bin_s bin_t;
struct bin_s {
	/* All operations on bin_t fields require lock ownership. */
	malloc_mutex_t		lock;

/*
	 * Current slab being used to service allocations of this bin's size
	 * class.  slabcur is independent of slabs_{nonfull,full}; whenever
	 * slabcur is reassigned, the previous slab must be deallocated or
	 * inserted into slabs_{nonfull,full}.
	 */
	extent_t		*slabcur;

/*
	 * Heap of non-full slabs.  This heap is used to assure that new
	 * allocations come from the non-full slab that is oldest/lowest in
	 * memory.
	 */
	extent_heap_t		slabs_nonfull;

/* List used to track full slabs. */
	extent_list_t		slabs_full;

/* Bin statistics. */
	bin_stats_t	stats;
};

/* A set of sharded bins of the same size class. */
typedef struct bins_s bins_t;
struct bins_s {
	/* Sharded bins.  Dynamically sized. */
	bin_t *bin_shards;
};

void bin_shard_sizes_boot(unsigned bin_shards[SC_NBINS]);
bool bin_update_shard_size(unsigned bin_shards[SC_NBINS], size_t start_size,
    size_t end_size, size_t nshards);
void bin_boot(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS]);

/* Initializes a bin to empty.  Returns true on error. */
bool bin_init(bin_t *bin);

/* Forking. */
void bin_prefork(tsdn_t *tsdn, bin_t *bin);
void bin_postfork_parent(tsdn_t *tsdn, bin_t *bin);
void bin_postfork_child(tsdn_t *tsdn, bin_t *bin);

/* Stats. */
static inline void
bin_stats_merge(tsdn_t *tsdn, bin_stats_t *dst_bin_stats, bin_t *bin) {
	malloc_mutex_lock(tsdn, &bin->lock);
	malloc_mutex_prof_accum(tsdn, &dst_bin_stats->mutex_data, &bin->lock);
	dst_bin_stats->nmalloc += bin->stats.nmalloc;
	dst_bin_stats->ndalloc += bin->stats.ndalloc;
	dst_bin_stats->nrequests += bin->stats.nrequests;
	dst_bin_stats->curregs += bin->stats.curregs;
	dst_bin_stats->nfills += bin->stats.nfills;
	dst_bin_stats->nflushes += bin->stats.nflushes;
	dst_bin_stats->nslabs += bin->stats.nslabs;
	dst_bin_stats->reslabs += bin->stats.reslabs;
	dst_bin_stats->curslabs += bin->stats.curslabs;
	dst_bin_stats->nonfull_slabs += bin->stats.nonfull_slabs;
	malloc_mutex_unlock(tsdn, &bin->lock);
}

#endif /* JEMALLOC_INTERNAL_BIN_H */

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Editing: bin.h

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