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HPA: Introduce a redesigned hpa_central_t.

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For now, this only handles allocating virtual address space to shards, with no
reuse.  This is framework, though; it will change over time.
This commit is contained in:
David Goldblatt
2021-05-07 13:54:26 -07:00
committed by David Goldblatt
parent e09eac1d4e
commit d93eef2f40
10 changed files with 257 additions and 128 deletions
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29
src/pa.c
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@@ -15,10 +15,23 @@ pa_nactive_sub(pa_shard_t *shard, size_t sub_pages) {
}
bool
pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, emap_t *emap, base_t *base,
unsigned ind, pa_shard_stats_t *stats, malloc_mutex_t *stats_mtx,
nstime_t *cur_time, size_t oversize_threshold, ssize_t dirty_decay_ms,
ssize_t muzzy_decay_ms) {
pa_central_init(pa_central_t *central, base_t *base, bool hpa,
hpa_hooks_t *hpa_hooks) {
bool err;
if (hpa) {
err = hpa_central_init(&central->hpa, base, hpa_hooks);
if (err) {
return true;
}
}
return false;
}
bool
pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, pa_central_t *central,
emap_t *emap, base_t *base, unsigned ind, pa_shard_stats_t *stats,
malloc_mutex_t *stats_mtx, nstime_t *cur_time, size_t oversize_threshold,
ssize_t dirty_decay_ms, ssize_t muzzy_decay_ms) {
/* This will change eventually, but for now it should hold. */
assert(base_ind_get(base) == ind);
if (edata_cache_init(&shard->edata_cache, base)) {
@@ -42,6 +55,7 @@ pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, emap_t *emap, base_t *base,
shard->stats = stats;
memset(shard->stats, 0, sizeof(*shard->stats));
shard->central = central;
shard->emap = emap;
shard->base = base;
@@ -50,10 +64,9 @@ pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, emap_t *emap, base_t *base,
bool
pa_shard_enable_hpa(tsdn_t *tsdn, pa_shard_t *shard,
const hpa_hooks_t *hpa_hooks, const hpa_shard_opts_t *hpa_opts,
const sec_opts_t *hpa_sec_opts) {
if (hpa_shard_init(&shard->hpa_shard, shard->emap, shard->base,
&shard->edata_cache, shard->ind, hpa_hooks, hpa_opts)) {
const hpa_shard_opts_t *hpa_opts, const sec_opts_t *hpa_sec_opts) {
if (hpa_shard_init(&shard->hpa_shard, &shard->central->hpa, shard->emap,
shard->base, &shard->edata_cache, shard->ind, hpa_opts)) {
return true;
}
if (sec_init(tsdn, &shard->hpa_sec, shard->base, &shard->hpa_shard.pai,