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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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22
src/extent.c
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@ -647,7 +647,7 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
goto label_err;
}
edata_init(edata, ecache_ind_get(&shard->ecache_retained), ptr,
edata_init(edata, ecache_ind_get(&shard->pac.ecache_retained), ptr,
alloc_size, false, SC_NSIZES, pa_shard_extent_sn_next(shard),
extent_state_active, zeroed, committed, /* ranged */ false,
EXTENT_IS_HEAD);
@ -673,11 +673,11 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
if (result == extent_split_interior_ok) {
if (lead != NULL) {
extent_record(tsdn, shard, ehooks,
&shard->ecache_retained, lead, true);
&shard->pac.ecache_retained, lead, true);
}
if (trail != NULL) {
extent_record(tsdn, shard, ehooks,
&shard->ecache_retained, trail, true);
&shard->pac.ecache_retained, trail, true);
}
} else {
/*
@ -690,12 +690,12 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_gdump_add(tsdn, to_salvage);
}
extent_record(tsdn, shard, ehooks,
&shard->ecache_retained, to_salvage, true);
&shard->pac.ecache_retained, to_salvage, true);
}
if (to_leak != NULL) {
extent_deregister_no_gdump_sub(tsdn, shard, to_leak);
extents_abandon_vm(tsdn, shard, ehooks,
&shard->ecache_retained, to_leak, true);
&shard->pac.ecache_retained, to_leak, true);
}
goto label_err;
}
@ -704,7 +704,7 @@ extent_grow_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
if (extent_commit_impl(tsdn, ehooks, edata, 0,
edata_size_get(edata), true)) {
extent_record(tsdn, shard, ehooks,
&shard->ecache_retained, edata, true);
&shard->pac.ecache_retained, edata, true);
goto label_err;
}
/* A successful commit should return zeroed memory. */
@ -756,8 +756,8 @@ extent_alloc_retained(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
malloc_mutex_lock(tsdn, &shard->ecache_grow.mtx);
edata_t *edata = extent_recycle(tsdn, shard, ehooks,
&shard->ecache_retained, new_addr, size, alignment, zero, commit,
/* growing_retained */ true);
&shard->pac.ecache_retained, new_addr, size, alignment, zero,
commit, /* growing_retained */ true);
if (edata != NULL) {
malloc_mutex_unlock(tsdn, &shard->ecache_grow.mtx);
if (config_prof) {
@ -792,7 +792,7 @@ extent_alloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata_cache_put(tsdn, &shard->edata_cache, edata);
return NULL;
}
edata_init(edata, ecache_ind_get(&shard->ecache_dirty), addr,
edata_init(edata, ecache_ind_get(&shard->pac.ecache_dirty), addr,
size, /* slab */ false, SC_NSIZES, pa_shard_extent_sn_next(shard),
extent_state_active, zero, *commit, /* ranged */ false,
EXTENT_NOT_HEAD);
@ -972,7 +972,7 @@ extent_record(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
edata = extent_try_coalesce(tsdn, shard, ehooks, ecache, edata,
NULL, growing_retained);
} else if (edata_size_get(edata) >= SC_LARGE_MINCLASS) {
assert(ecache == &shard->ecache_dirty);
assert(ecache == &shard->pac.ecache_dirty);
/* Always coalesce large extents eagerly. */
bool coalesced;
do {
@ -1072,7 +1072,7 @@ extent_dalloc_wrapper(tsdn_t *tsdn, pa_shard_t *shard, ehooks_t *ehooks,
extent_gdump_sub(tsdn, edata);
}
extent_record(tsdn, shard, ehooks, &shard->ecache_retained, edata,
extent_record(tsdn, shard, ehooks, &shard->pac.ecache_retained, edata,
false);
}