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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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10
include/jemalloc/internal/arena_inlines_a.h
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@@ -57,12 +57,10 @@ percpu_arena_update(tsd_t *tsd, unsigned cpu) {
/* Set new arena/tcache associations. */
arena_migrate(tsd, oldind, newind);
if (config_tcache) {
tcache_t *tcache = tsd_tcache_get(tsd);
if (tcache) {
tcache_arena_reassociate(tsd_tsdn(tsd), tcache,
newarena);
}
tcache_t *tcache = tcache_get(tsd);
if (config_tcache && tcache) {
tcache_arena_reassociate(tsd_tsdn(tsd), tcache,
newarena);
}
}
}