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Move extent2 -> extent.

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Eventually, we may fully break off the extent module; but not for some time.  If
it's going to live on in a non-transitory state, it might as well have the nicer
name.
This commit is contained in:
David Goldblatt 2019-12-16 11:05:07 -08:00 • committed by David Goldblatt
parent 2f4fa80414
commit e210ccc57e
6 changed files with 7 additions and 12 deletions
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59
include/jemalloc/internal/extent.h Normal file
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#ifndef JEMALLOC_INTERNAL_EXTENT_H
#define JEMALLOC_INTERNAL_EXTENT_H
#include "jemalloc/internal/ecache.h"
#include "jemalloc/internal/ehooks.h"
#include "jemalloc/internal/ph.h"
#include "jemalloc/internal/rtree.h"
/*
* This module contains the page-level allocator. It chooses the addresses that
* allocations requested by other modules will inhabit, and updates the global
* metadata to reflect allocation/deallocation/purging decisions.
*/
/*
* When reuse (and split) an active extent, (1U << opt_lg_extent_max_active_fit)
* is the max ratio between the size of the active extent and the new extent.
*/
#define LG_EXTENT_MAX_ACTIVE_FIT_DEFAULT 6
extern size_t opt_lg_extent_max_active_fit;
extern rtree_t extents_rtree;
edata_t *ecache_alloc(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t pad, size_t alignment,
bool slab, szind_t szind, bool *zero, bool *commit);
edata_t *ecache_alloc_grow(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
ecache_t *ecache, void *new_addr, size_t size, size_t pad, size_t alignment,
bool slab, szind_t szind, bool *zero, bool *commit);
void ecache_dalloc(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
ecache_t *ecache, edata_t *edata);
edata_t *ecache_evict(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
ecache_t *ecache, size_t npages_min);
edata_t *extent_alloc_wrapper(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
void *new_addr, size_t size, size_t pad, size_t alignment, bool slab,
szind_t szind, bool *zero, bool *commit);
void extent_dalloc_gap(tsdn_t *tsdn, arena_t *arena, edata_t *edata);
void extent_dalloc_wrapper(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
edata_t *edata);
void extent_destroy_wrapper(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
edata_t *edata);
bool extent_commit_wrapper(tsdn_t *tsdn, ehooks_t *ehooks, edata_t *edata,
size_t offset, size_t length);
bool extent_decommit_wrapper(tsdn_t *tsdn, ehooks_t *ehooks, edata_t *edata,
size_t offset, size_t length);
bool extent_purge_lazy_wrapper(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
edata_t *edata, size_t offset, size_t length);
bool extent_purge_forced_wrapper(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
edata_t *edata, size_t offset, size_t length);
edata_t *extent_split_wrapper(tsdn_t *tsdn, edata_cache_t *edata_cache,
ehooks_t *ehooks, edata_t *edata, size_t size_a, szind_t szind_a,
bool slab_a, size_t size_b, szind_t szind_b, bool slab_b);
bool extent_merge_wrapper(tsdn_t *tsdn, ehooks_t *ehooks,
edata_cache_t *edata_cache, edata_t *a, edata_t *b);
bool extent_boot(void);
#endif /* JEMALLOC_INTERNAL_EXTENT_H */