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HPA: Manage whole hugepages at a time.

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This redesigns the HPA implementation to allow us to manage hugepages all at
once, locally, without relying on a global fallback.
This commit is contained in:
David Goldblatt
2020-11-09 13:49:30 -08:00
committed by David Goldblatt
parent 63677dde63
commit 43af63fff4
16 changed files with 700 additions and 550 deletions
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15
src/pa.c
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@@ -49,17 +49,10 @@ pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, emap_t *emap, base_t *base,
}
bool
pa_shard_enable_hpa(pa_shard_t *shard, hpa_t *hpa, size_t ps_goal,
size_t ps_alloc_max, size_t small_max, size_t large_min,
size_t sec_nshards, size_t sec_alloc_max, size_t sec_bytes_max) {
ps_goal &= ~PAGE_MASK;
ps_alloc_max &= ~PAGE_MASK;
if (ps_alloc_max > ps_goal) {
ps_alloc_max = ps_goal;
}
if (hpa_shard_init(&shard->hpa_shard, hpa, &shard->edata_cache,
shard->ind, ps_goal, ps_alloc_max, small_max, large_min)) {
pa_shard_enable_hpa(pa_shard_t *shard, size_t alloc_max, size_t sec_nshards,
size_t sec_alloc_max, size_t sec_bytes_max) {
if (hpa_shard_init(&shard->hpa_shard, shard->emap, &shard->edata_cache,
shard->ind, alloc_max)) {
return true;
}
if (sec_init(&shard->hpa_sec, &shard->hpa_shard.pai, sec_nshards,