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Remove opt_background_thread_hpa_interval_max_ms

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Now that HPA can communicate the time until its deferred work should be done,
this option is not used anymore.
This commit is contained in:
Alex Lapenkou
2021-09-10 17:32:23 -07:00
committed by Alexander Lapenkov
parent 8229cc77c5
commit 6e848a005e
8 changed files with 34 additions and 64 deletions
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31
src/pac.c
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@@ -208,9 +208,38 @@ pac_dalloc_impl(tsdn_t *tsdn, pai_t *self, edata_t *edata,
*deferred_work_generated = true;
}
static inline uint64_t
pac_ns_until_purge(tsdn_t *tsdn, decay_t *decay, size_t npages) {
if (malloc_mutex_trylock(tsdn, &decay->mtx)) {
/* Use minimal interval if decay is contended. */
return BACKGROUND_THREAD_DEFERRED_MIN;
}
uint64_t result = decay_ns_until_purge(decay, npages,
ARENA_DEFERRED_PURGE_NPAGES_THRESHOLD);
malloc_mutex_unlock(tsdn, &decay->mtx);
return result;
}
static uint64_t
pac_time_until_deferred_work(tsdn_t *tsdn, pai_t *self) {
return BACKGROUND_THREAD_DEFERRED_MAX;
uint64_t time;
pac_t *pac = (pac_t *)self;
time = pac_ns_until_purge(tsdn,
&pac->decay_dirty,
ecache_npages_get(&pac->ecache_dirty));
if (time == BACKGROUND_THREAD_DEFERRED_MIN) {
return time;
}
uint64_t muzzy = pac_ns_until_purge(tsdn,
&pac->decay_muzzy,
ecache_npages_get(&pac->ecache_muzzy));
if (muzzy < time) {
time = muzzy;
}
return time;
}
bool