The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=f9677b7e742c95bdb94ee5da8a4fba14c9010a6e
commit f9677b7e742c95bdb94ee5da8a4fba14c9010a6e Author: Mark Johnston <[email protected]> AuthorDate: 2022-03-30 19:42:18 +0000 Commit: Mark Johnston <[email protected]> CommitDate: 2022-04-13 12:10:35 +0000 uma: Don't allow a limit to be set in a warm zone The limit accounting in UMA does not tolerate this. Sponsored by: The FreeBSD Foundation (cherry picked from commit d53927b0bae45bf5b4b206b2dddf37bab319a1b3) --- sys/vm/uma_core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/vm/uma_core.c b/sys/vm/uma_core.c index 211198d02d04..754e9d9ff15e 100644 --- a/sys/vm/uma_core.c +++ b/sys/vm/uma_core.c @@ -4791,6 +4791,8 @@ uma_zone_set_max(uma_zone_t zone, int nitems) * way to clear a limit. */ ZONE_LOCK(zone); + if (zone->uz_max_items == 0) + ZONE_ASSERT_COLD(zone); zone->uz_max_items = nitems; zone->uz_flags |= UMA_ZFLAG_LIMIT; zone_update_caches(zone);
