mirror of
https://github.com/jemalloc/jemalloc
synced 2026-06-08 15:01:07 +00:00
Slobodan Predolac
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#ifndef JEMALLOC_INTERNAL_HPA_CENTRAL_H
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#define JEMALLOC_INTERNAL_HPA_CENTRAL_H
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#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/base.h"
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#include "jemalloc/internal/hpa_hooks.h"
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#include "jemalloc/internal/hpdata.h"
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#include "jemalloc/internal/mutex.h"
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#include "jemalloc/internal/tsd_types.h"
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typedef struct hpa_central_s hpa_central_t;
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struct hpa_central_s {
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/*
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* Guards expansion of eden. We separate this from the regular mutex so
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* that cheaper operations can still continue while we're doing the OS
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* call.
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*/
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malloc_mutex_t grow_mtx;
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/*
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* Either NULL (if empty), or some integer multiple of a
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* hugepage-aligned number of hugepages. We carve them off one at a
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* time to satisfy new pageslab requests.
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*
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* Guarded by grow_mtx.
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*/
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void *eden;
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size_t eden_len;
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/* Source for metadata. */
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base_t *base;
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/* The HPA hooks. */
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hpa_hooks_t hooks;
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};
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bool hpa_central_init(
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hpa_central_t *central, base_t *base, const hpa_hooks_t *hooks);
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hpdata_t *hpa_central_extract(tsdn_t *tsdn, hpa_central_t *central, size_t size,
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uint64_t age, bool hugify_eager, bool *oom);
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#endif /* JEMALLOC_INTERNAL_HPA_CENTRAL_H */
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