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Add PAC: Page allocator classic.

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For now, this is just a stub containing the ecaches, with no surrounding code
changed.  Eventually all the core allocator bits will be moved in, in the
subsequent stack of commits.
This commit is contained in:
David Goldblatt
2020-05-29 16:57:31 -07:00
committed by David Goldblatt
parent 1b5f632e0f
commit 777b0ba965
9 changed files with 106 additions and 84 deletions
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8
src/background_thread.c
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@@ -201,12 +201,12 @@ static uint64_t
arena_decay_compute_purge_interval(tsdn_t *tsdn, arena_t *arena) {
uint64_t i1, i2;
i1 = arena_decay_compute_purge_interval_impl(tsdn,
&arena->pa_shard.decay_dirty, &arena->pa_shard.ecache_dirty);
&arena->pa_shard.decay_dirty, &arena->pa_shard.pac.ecache_dirty);
if (i1 == BACKGROUND_THREAD_MIN_INTERVAL_NS) {
return i1;
}
i2 = arena_decay_compute_purge_interval_impl(tsdn,
&arena->pa_shard.decay_muzzy, &arena->pa_shard.ecache_muzzy);
&arena->pa_shard.decay_muzzy, &arena->pa_shard.pac.ecache_muzzy);
return i1 < i2 ? i1 : i2;
}
@@ -716,8 +716,8 @@ background_thread_interval_check(tsdn_t *tsdn, arena_t *arena, decay_t *decay,
if (info->npages_to_purge_new > BACKGROUND_THREAD_NPAGES_THRESHOLD) {
should_signal = true;
} else if (unlikely(background_thread_indefinite_sleep(info)) &&
(ecache_npages_get(&arena->pa_shard.ecache_dirty) > 0 ||
ecache_npages_get(&arena->pa_shard.ecache_muzzy) > 0 ||
(ecache_npages_get(&arena->pa_shard.pac.ecache_dirty) > 0 ||
ecache_npages_get(&arena->pa_shard.pac.ecache_muzzy) > 0 ||
info->npages_to_purge_new > 0)) {
should_signal = true;
} else {