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Option to guard hpa_min_purge_interval_ms fix

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Change in `hpa_min_purge_interval_ms` handling logic is not backward
compatible as it might increase memory usage. Now this logic guarded by
`hpa_strict_min_purge_interval` option.

When `hpa_strict_min_purge_interval` is true, we will purge no more than
`hpa_min_purge_interval_ms`. When `hpa_strict_min_purge_interval` is
false, old purging logic behaviour is preserved.

Long term strategy migrate all users of hpa to new logic and then delete
`hpa_strict_min_purge_interval` option.
This commit is contained in:
Dmitry Ilvokhin
2024-06-07 05:32:24 -07:00
committed by Qi Wang
parent 91a6d230db
commit 867c6dd7dc
6 changed files with 27 additions and 6 deletions
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src/jemalloc.c
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@@ -1554,6 +1554,10 @@ malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
"hpa_min_purge_interval_ms", 0, 0,
CONF_DONT_CHECK_MIN, CONF_DONT_CHECK_MAX, false);
CONF_HANDLE_BOOL(
opt_hpa_opts.strict_min_purge_interval,
"hpa_strict_min_purge_interval");
if (CONF_MATCH("hpa_dirty_mult")) {
if (CONF_MATCH_VALUE("-1")) {
opt_hpa_opts.dirty_mult = (fxp_t)-1;