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Implement process_madvise support.

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Add opt.process_madvise_max_batch which determines if process_madvise is enabled
(non-zero) and the max # of regions in each batch.  Added another limiting
factor which is the space to reserve on stack, which results in the max batch of
128.
This commit is contained in:
Qi Wang 2025-02-04 18:31:11 -08:00 • committed by Qi Wang
parent 70f019cd3a
commit 22440a0207
13 changed files with 204 additions and 6 deletions
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5
src/jemalloc.c
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@ -1361,6 +1361,11 @@ malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
"muzzy_decay_ms", -1, NSTIME_SEC_MAX * KQU(1000) <
QU(SSIZE_MAX) ? NSTIME_SEC_MAX * KQU(1000) :
SSIZE_MAX);
CONF_HANDLE_SIZE_T(opt_process_madvise_max_batch,
"process_madvise_max_batch", 0,
PROCESS_MADVISE_MAX_BATCH_LIMIT,
CONF_DONT_CHECK_MIN, CONF_CHECK_MAX,
/* clip */ true)
CONF_HANDLE_BOOL(opt_stats_print, "stats_print")
if (CONF_MATCH("stats_print_opts")) {
init_opt_stats_opts(v, vlen,