Author: markj
Date: Mon Mar 30 14:23:08 2020
New Revision: 359437
URL: https://svnweb.freebsd.org/changeset/base/359437
Log:
Fix accounting of hwpmc's thread descriptor freelist.
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/dev/hwpmc/hwpmc_mod.c
Modified: head/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- head/sys/dev/hwpmc/hwpmc_mod.c Mon Mar 30 14:22:52 2020
(r359436)
+++ head/sys/dev/hwpmc/hwpmc_mod.c Mon Mar 30 14:23:08 2020
(r359437)
@@ -2428,12 +2428,13 @@ 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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