Date: Fri, 27 Oct 2017 08:53:10 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r325033 - stable/11/sys/vm Message-ID: <201710270853.v9R8rAJa056415@repo.freebsd.org>
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Author: kib Date: Fri Oct 27 08:53:09 2017 New Revision: 325033 URL: https://svnweb.freebsd.org/changeset/base/325033 Log: MFC r324793: In vm_page_free_phys_pglist(), do not take vm_page_queue_free_mtx if there is nothing to do. Modified: stable/11/sys/vm/vm_page.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/vm/vm_page.c ============================================================================== --- stable/11/sys/vm/vm_page.c Fri Oct 27 05:04:29 2017 (r325032) +++ stable/11/sys/vm/vm_page.c Fri Oct 27 08:53:09 2017 (r325033) @@ -2848,6 +2848,8 @@ vm_page_free_phys_pglist(struct pglist *tq) { vm_page_t m; + if (TAILQ_EMPTY(tq)) + return; mtx_lock(&vm_page_queue_free_mtx); TAILQ_FOREACH(m, tq, listq) vm_page_free_phys(m);
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