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[EASY] Extract hpa_central component from hpa source file

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Slobodan Predolac 2025-09-30 09:37:09 -07:00 • committed by Guangli Dai
parent 355774270d
commit 8a06b086f3
13 changed files with 184 additions and 145 deletions
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27
include/jemalloc/internal/hpa.h
View file

@ -6,36 +6,13 @@
#include "jemalloc/internal/edata_cache.h"
#include "jemalloc/internal/emap.h"
#include "jemalloc/internal/exp_grow.h"
#include "jemalloc/internal/hpa_central.h"
#include "jemalloc/internal/hpa_hooks.h"
#include "jemalloc/internal/hpa_opts.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/pai.h"
#include "jemalloc/internal/psset.h"
typedef struct hpa_central_s hpa_central_t;
struct hpa_central_s {
/*
* Guards expansion of eden. We separate this from the regular mutex so
* that cheaper operations can still continue while we're doing the OS
* call.
*/
malloc_mutex_t grow_mtx;
/*
* Either NULL (if empty), or some integer multiple of a
* hugepage-aligned number of hugepages. We carve them off one at a
* time to satisfy new pageslab requests.
*
* Guarded by grow_mtx.
*/
void *eden;
size_t eden_len;
/* Source for metadata. */
base_t *base;
/* The HPA hooks. */
hpa_hooks_t hooks;
};
typedef struct hpa_shard_nonderived_stats_s hpa_shard_nonderived_stats_t;
struct hpa_shard_nonderived_stats_s {
/*
@ -165,8 +142,6 @@ bool hpa_hugepage_size_exceeds_limit(void);
* just that it can function properly given the system it's running on.
*/
bool hpa_supported(void);
bool hpa_central_init(
hpa_central_t *central, base_t *base, const hpa_hooks_t *hooks);
bool hpa_shard_init(hpa_shard_t *shard, hpa_central_t *central, emap_t *emap,
base_t *base, edata_cache_t *edata_cache, unsigned ind,
const hpa_shard_opts_t *opts);

41
include/jemalloc/internal/hpa_central.h Normal file
View file

@ -0,0 +1,41 @@
#ifndef JEMALLOC_INTERNAL_HPA_CENTRAL_H
#define JEMALLOC_INTERNAL_HPA_CENTRAL_H
#include "jemalloc/internal/jemalloc_preamble.h"
#include "jemalloc/internal/base.h"
#include "jemalloc/internal/hpa_hooks.h"
#include "jemalloc/internal/hpdata.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/tsd_types.h"
typedef struct hpa_central_s hpa_central_t;
struct hpa_central_s {
/*
* Guards expansion of eden. We separate this from the regular mutex so
* that cheaper operations can still continue while we're doing the OS
* call.
*/
malloc_mutex_t grow_mtx;
/*
* Either NULL (if empty), or some integer multiple of a
* hugepage-aligned number of hugepages. We carve them off one at a
* time to satisfy new pageslab requests.
*
* Guarded by grow_mtx.
*/
void *eden;
size_t eden_len;
/* Source for metadata. */
base_t *base;
/* The HPA hooks. */
hpa_hooks_t hooks;
};
bool hpa_central_init(
hpa_central_t *central, base_t *base, const hpa_hooks_t *hooks);
hpdata_t *hpa_central_extract(tsdn_t *tsdn, hpa_central_t *central, size_t size,
uint64_t age, bool hugify_eager, bool *oom);
#endif /* JEMALLOC_INTERNAL_HPA_CENTRAL_H */