31 lines
828 B
C
31 lines
828 B
C
#ifndef JEMALLOC_INTERNAL_PAC_H
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#define JEMALLOC_INTERNAL_PAC_H
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/*
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* Page allocator classic; an implementation of the PAI interface that:
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* - Can be used for arenas with custom extent hooks.
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* - Can always satisfy any allocation request (including highly-fragmentary
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* ones).
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* - Can use efficient OS-level zeroing primitives for demand-filled pages.
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*/
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typedef struct pac_s pac_t;
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struct pac_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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edata_cache_t *edata_cache;
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};
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bool pac_init(tsdn_t *tsdn, pac_t *pac, unsigned ind,
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edata_cache_t *edata_cache);
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#endif /* JEMALLOC_INTERNAL_PAC_H */
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