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Integrate auto tcache into TSD.

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The embedded tcache is initialized upon tsd initialization.  The avail arrays
for the tbins will be allocated / deallocated accordingly during init / cleanup.

With this change, the pointer to the auto tcache will always be available, as
long as we have access to the TSD.  tcache_available() (called in tcache_get())
is provided to check if we should use tcache.
This commit is contained in:
Qi Wang
2017-03-27 21:50:38 -07:00
committed by Qi Wang
parent eeabdd2466
commit fde3e20cc0
16 changed files with 300 additions and 178 deletions
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7
include/jemalloc/internal/tcache_externs.h
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@@ -35,16 +35,19 @@ void tcache_bin_flush_large(tsd_t *tsd, tcache_bin_t *tbin, szind_t binind,
unsigned rem, tcache_t *tcache);
void tcache_arena_reassociate(tsdn_t *tsdn, tcache_t *tcache,
arena_t *arena);
tcache_t *tcache_get_hard(tsd_t *tsd);
tcache_t *tcache_create(tsdn_t *tsdn, arena_t *arena);
tcache_t *tcache_create_explicit(tsd_t *tsd);
void tcache_cleanup(tsd_t *tsd);
void tcache_stats_merge(tsdn_t *tsdn, tcache_t *tcache, arena_t *arena);
bool tcaches_create(tsd_t *tsd, unsigned *r_ind);
void tcaches_flush(tsd_t *tsd, unsigned ind);
void tcaches_destroy(tsd_t *tsd, unsigned ind);
bool tcache_boot(tsdn_t *tsdn);
void tcache_arena_associate(tsdn_t *tsdn, tcache_t *tcache, arena_t *arena);
void tcache_prefork(tsdn_t *tsdn);
void tcache_postfork_parent(tsdn_t *tsdn);
void tcache_postfork_child(tsdn_t *tsdn);
void tcache_flush(void);
bool tsd_tcache_data_init(tsd_t *tsd);
bool tsd_tcache_enabled_data_init(tsd_t *tsd);
#endif /* JEMALLOC_INTERNAL_TCACHE_EXTERNS_H */