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PA -> PAC: Move in destruction functions.

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This commit is contained in:
David Goldblatt
2020-06-10 17:42:49 -07:00
committed by David Goldblatt
parent cbf096b05e
commit 6041aaba97
5 changed files with 39 additions and 20 deletions
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20
src/pa.c
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@@ -58,24 +58,8 @@ pa_shard_reset(pa_shard_t *shard) {
}
void
pa_shard_destroy_retained(tsdn_t *tsdn, pa_shard_t *shard) {
assert(ecache_npages_get(&shard->pac.ecache_dirty) == 0);
assert(ecache_npages_get(&shard->pac.ecache_muzzy) == 0);
/*
* Iterate over the retained extents and destroy them. This gives the
* extent allocator underlying the extent hooks an opportunity to unmap
* all retained memory without having to keep its own metadata
* structures. In practice, virtual memory for dss-allocated extents is
* leaked here, so best practice is to avoid dss for arenas to be
* destroyed, or provide custom extent hooks that track retained
* dss-based extents for later reuse.
*/
ehooks_t *ehooks = pa_shard_ehooks_get(shard);
edata_t *edata;
while ((edata = ecache_evict(tsdn, &shard->pac, ehooks,
&shard->pac.ecache_retained, 0)) != NULL) {
extent_destroy_wrapper(tsdn, &shard->pac, ehooks, edata);
}
pa_shard_destroy(tsdn_t *tsdn, pa_shard_t *shard) {
pac_destroy(tsdn, &shard->pac);
}
static inline bool