Author: markj
Date: Mon Apr 6 14:58:24 2020
New Revision: 359659
URL: https://svnweb.freebsd.org/changeset/base/359659
Log:
MFC r359437:
Fix accounting of hwpmc's thread descriptor freelist.
Modified:
stable/12/sys/dev/hwpmc/hwpmc_mod.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- stable/12/sys/dev/hwpmc/hwpmc_mod.c Mon Apr 6 14:56:19 2020
(r359658)
+++ stable/12/sys/dev/hwpmc/hwpmc_mod.c Mon Apr 6 14:58:24 2020
(r359659)
@@ -2426,12 +2426,13 @@ pmc_thread_descriptor_pool_free_task(void *arg __unuse
int delta;
LIST_INIT(&tmplist);
+
/* Determine what changes, if any, we need to make. */
mtx_lock_spin(&pmc_threadfreelist_mtx);
delta = pmc_threadfreelist_entries - pmc_threadfreelist_max;
- while (delta > 0 &&
- (pt = LIST_FIRST(&pmc_threadfreelist)) != NULL) {
+ while (delta > 0 && (pt = LIST_FIRST(&pmc_threadfreelist)) != NULL) {
delta--;
+ pmc_threadfreelist_entries--;
LIST_REMOVE(pt, pt_next);
LIST_INSERT_HEAD(&tmplist, pt, pt_next);
}
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