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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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16
src/jemalloc.c
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@ -1747,7 +1747,19 @@ malloc_init_hard_a0_locked() {
if (config_prof) {
prof_boot1();
}
arena_boot(&sc_data);
if (opt_hpa && !hpa_supported()) {
malloc_printf("<jemalloc>: HPA not supported in the current "
"configuration; %s.",
opt_abort_conf ? "aborting" : "disabling");
if (opt_abort_conf) {
malloc_abort_invalid_conf();
} else {
opt_hpa = false;
}
}
if (arena_boot(&sc_data, b0get(), opt_hpa)) {
return true;
}
if (tcache_boot(TSDN_NULL, b0get())) {
return true;
}
@ -1786,7 +1798,7 @@ malloc_init_hard_a0_locked() {
hpa_shard_opts_t hpa_shard_opts = opt_hpa_opts;
hpa_shard_opts.deferral_allowed = background_thread_enabled();
if (pa_shard_enable_hpa(TSDN_NULL, &a0->pa_shard,
&hpa_hooks_default, &hpa_shard_opts, &opt_hpa_sec_opts)) {
&hpa_shard_opts, &opt_hpa_sec_opts)) {
return true;
}
}