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Wake up background threads on demand

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This change allows every allocator conforming to PAI communicate that it
deferred some work for the future. Without it if a background thread goes into
indefinite sleep, there is no way to notify it about upcoming deferred work.
This commit is contained in:
Alex Lapenkou
2021-08-18 19:24:37 -07:00
committed by Alexander Lapenkov
parent 97da57c13a
commit 8229cc77c5
21 changed files with 445 additions and 214 deletions
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7
test/unit/pa.c
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@@ -87,12 +87,13 @@ static void *
do_alloc_free_purge(void *arg) {
test_data_t *test_data = (test_data_t *)arg;
for (int i = 0; i < 10 * 1000; i++) {
bool deferred_work_generated;
edata_t *edata = pa_alloc(TSDN_NULL, &test_data->shard, PAGE,
PAGE, /* slab */ false, /* szind */ 0, /* zero */ false);
PAGE, /* slab */ false, /* szind */ 0, /* zero */ false,
&deferred_work_generated);
assert_ptr_not_null(edata, "");
bool generated_dirty;
pa_dalloc(TSDN_NULL, &test_data->shard, edata,
&generated_dirty);
&deferred_work_generated);
malloc_mutex_lock(TSDN_NULL,
&test_data->shard.pac.decay_dirty.mtx);
pac_decay_all(TSDN_NULL, &test_data->shard.pac,