Date: Wed, 30 Mar 2022 19:59:40 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: d53927b0bae4 - main - uma: Don't allow a limit to be set in a warm zone Message-ID: <202203301959.22UJxeBa058141@gitrepo.freebsd.org>
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The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=d53927b0bae45bf5b4b206b2dddf37bab319a1b3 commit d53927b0bae45bf5b4b206b2dddf37bab319a1b3 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2022-03-30 19:42:18 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2022-03-30 19:42:18 +0000 uma: Don't allow a limit to be set in a warm zone The limit accounting in UMA does not tolerate this. MFC after: 2 weeks Sponsored by: The FreeBSD Foundation --- 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 f179e87d87ac..958442fe73e2 100644 --- a/sys/vm/uma_core.c +++ b/sys/vm/uma_core.c @@ -4880,6 +4880,8 @@ 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);
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