61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
#ifndef JEMALLOC_INTERNAL_PA_H
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#define JEMALLOC_INTERNAL_PA_H
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#include "jemalloc/internal/ecache.h"
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#include "jemalloc/internal/edata_cache.h"
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#include "jemalloc/internal/lockedint.h"
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/*
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* The page allocator; responsible for acquiring pages of memory for
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* allocations.
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*/
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typedef struct pa_shard_decay_stats_s pa_shard_decay_stats_t;
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struct pa_shard_decay_stats_s {
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/* Total number of purge sweeps. */
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locked_u64_t npurge;
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/* Total number of madvise calls made. */
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locked_u64_t nmadvise;
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/* Total number of pages purged. */
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locked_u64_t purged;
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};
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typedef struct pa_shard_stats_s pa_shard_stats_t;
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struct pa_shard_stats_s {
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pa_shard_decay_stats_t decay_dirty;
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pa_shard_decay_stats_t decay_muzzy;
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/* VM space had to be leaked (undocumented). Normally 0. */
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atomic_zu_t abandoned_vm;
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};
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typedef struct pa_shard_s pa_shard_t;
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struct pa_shard_s {
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/*
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* Collections of extents that were previously allocated. These are
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* used when allocating extents, in an attempt to re-use address space.
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*
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* Synchronization: internal.
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*/
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ecache_t ecache_dirty;
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ecache_t ecache_muzzy;
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ecache_t ecache_retained;
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/* The source of edata_t objects. */
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edata_cache_t edata_cache;
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/* The grow info for the retained ecache. */
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ecache_grow_t ecache_grow;
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/* Extent serial number generator state. */
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atomic_zu_t extent_sn_next;
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pa_shard_stats_t *stats;
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};
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/* Returns true on error. */
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bool pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, base_t *base, unsigned ind,
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pa_shard_stats_t *stats);
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size_t pa_shard_extent_sn_next(pa_shard_t *shard);
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#endif /* JEMALLOC_INTERNAL_PA_H */
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