Differential D24522 Diff 70932 head/contrib/jemalloc/include/jemalloc/internal/arena_structs_b.h

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head/contrib/jemalloc/include/jemalloc/internal/arena_structs_b.h

#ifndef JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H		#ifndef JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H
#define JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H		#define JEMALLOC_INTERNAL_ARENA_STRUCTS_B_H

#include "jemalloc/internal/arena_stats.h"		#include "jemalloc/internal/arena_stats.h"
#include "jemalloc/internal/atomic.h"		#include "jemalloc/internal/atomic.h"
#include "jemalloc/internal/bin.h"		#include "jemalloc/internal/bin.h"
#include "jemalloc/internal/bitmap.h"		#include "jemalloc/internal/bitmap.h"
#include "jemalloc/internal/extent_dss.h"		#include "jemalloc/internal/extent_dss.h"
#include "jemalloc/internal/jemalloc_internal_types.h"		#include "jemalloc/internal/jemalloc_internal_types.h"
#include "jemalloc/internal/mutex.h"		#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/nstime.h"		#include "jemalloc/internal/nstime.h"
#include "jemalloc/internal/ql.h"		#include "jemalloc/internal/ql.h"
#include "jemalloc/internal/size_classes.h"		#include "jemalloc/internal/sc.h"
#include "jemalloc/internal/smoothstep.h"		#include "jemalloc/internal/smoothstep.h"
#include "jemalloc/internal/ticker.h"		#include "jemalloc/internal/ticker.h"

struct arena_decay_s {		struct arena_decay_s {
/* Synchronizes all non-atomic fields. */		/* Synchronizes all non-atomic fields. */
malloc_mutex_t mtx;		malloc_mutex_t mtx;
/*		/*
* True if a thread is currently purging the extents associated with		* True if a thread is currently purging the extents associated with
▲ Show 20 Lines • Show All 63 Lines • ▼ Show 20 Lines	struct arena_s {
*		*
* 0: Application allocation.		* 0: Application allocation.
* 1: Internal metadata allocation.		* 1: Internal metadata allocation.
*		*
* Synchronization: atomic.		* Synchronization: atomic.
*/		*/
atomic_u_t nthreads[2];		atomic_u_t nthreads[2];

		/* Next bin shard for binding new threads. Synchronization: atomic. */
		atomic_u_t binshard_next;

/*		/*
* When percpu_arena is enabled, to amortize the cost of reading /		* When percpu_arena is enabled, to amortize the cost of reading /
* updating the current CPU id, track the most recent thread accessing		* updating the current CPU id, track the most recent thread accessing
* this arena, and only read CPU if there is a mismatch.		* this arena, and only read CPU if there is a mismatch.
*/		*/
tsdn_t *last_thd;		tsdn_t *last_thd;

/* Synchronization: internal. */		/* Synchronization: internal. */
arena_stats_t stats;		arena_stats_t stats;

/*		/*
* Lists of tcaches and cache_bin_array_descriptors for extant threads		* Lists of tcaches and cache_bin_array_descriptors for extant threads
* associated with this arena. Stats from these are merged		* associated with this arena. Stats from these are merged
* incrementally, and at exit if opt_stats_print is enabled.		* incrementally, and at exit if opt_stats_print is enabled.
*		*
* Synchronization: tcache_ql_mtx.		* Synchronization: tcache_ql_mtx.
*/		*/
ql_head(tcache_t) tcache_ql;		ql_head(tcache_t) tcache_ql;
ql_head(cache_bin_array_descriptor_t) cache_bin_array_descriptor_ql;		ql_head(cache_bin_array_descriptor_t) cache_bin_array_descriptor_ql;
malloc_mutex_t tcache_ql_mtx;		malloc_mutex_t tcache_ql_mtx;

/* Synchronization: internal. */		/* Synchronization: internal. */
prof_accum_t prof_accum;		prof_accum_t prof_accum;
uint64_t prof_accumbytes;

/*		/*
* PRNG state for cache index randomization of large allocation base		* PRNG state for cache index randomization of large allocation base
* pointers.		* pointers.
*		*
* Synchronization: atomic.		* Synchronization: atomic.
*/		*/
atomic_zu_t offset_state;		atomic_zu_t offset_state;
▲ Show 20 Lines • Show All 66 Lines • ▼ Show 20 Lines	struct arena_s {

/*		/*
* Available extent structures that were allocated via		* Available extent structures that were allocated via
* base_alloc_extent().		* base_alloc_extent().
*		*
* Synchronization: extent_avail_mtx.		* Synchronization: extent_avail_mtx.
*/		*/
extent_tree_t extent_avail;		extent_tree_t extent_avail;
		atomic_zu_t extent_avail_cnt;
malloc_mutex_t extent_avail_mtx;		malloc_mutex_t extent_avail_mtx;

/*		/*
* bins is used to store heaps of free regions.		* bins is used to store heaps of free regions.
*		*
* Synchronization: internal.		* Synchronization: internal.
*/		*/
bin_t bins[NBINS];		bins_t bins[SC_NBINS];

/*		/*
* Base allocator, from which arena metadata are allocated.		* Base allocator, from which arena metadata are allocated.
*		*
* Synchronization: internal.		* Synchronization: internal.
*/		*/
base_t *base;		base_t *base;
/* Used to determine uptime. Read-only after initialization. */		/* Used to determine uptime. Read-only after initialization. */
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