30 lines
1.0 KiB
C
30 lines
1.0 KiB
C
#ifndef JEMALLOC_INTERNAL_ECACHE_GROW_H
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#define JEMALLOC_INTERNAL_ECACHE_GROW_H
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typedef struct geom_grow_s geom_grow_t;
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struct geom_grow_s {
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/*
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* Next extent size class in a growing series to use when satisfying a
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* request via the extent hooks (only if opt_retain). This limits the
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* number of disjoint virtual memory ranges so that extent merging can
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* be effective even if multiple arenas' extent allocation requests are
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* highly interleaved.
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*
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* retain_grow_limit is the max allowed size ind to expand (unless the
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* required size is greater). Default is no limit, and controlled
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* through mallctl only.
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*
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* Synchronization: mtx
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*/
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pszind_t next;
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pszind_t limit;
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malloc_mutex_t mtx;
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};
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bool geom_grow_init(tsdn_t *tsdn, geom_grow_t *geom_grow);
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void geom_grow_prefork(tsdn_t *tsdn, geom_grow_t *geom_grow);
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void geom_grow_postfork_parent(tsdn_t *tsdn, geom_grow_t *geom_grow);
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void geom_grow_postfork_child(tsdn_t *tsdn, geom_grow_t *geom_grow);
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#endif /* JEMALLOC_INTERNAL_ECACHE_GROW_H */
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