From owner-svn-src-stable-11@freebsd.org Tue Feb 27 14:32:34 2018 Return-Path: Delivered-To: svn-src-stable-11@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5DAF3F2AA9A; Tue, 27 Feb 2018 14:32:34 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0BACB7A000; Tue, 27 Feb 2018 14:32:34 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 06C113DD8; Tue, 27 Feb 2018 14:32:34 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w1REWXaR011478; Tue, 27 Feb 2018 14:32:33 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w1REWX5b011477; Tue, 27 Feb 2018 14:32:33 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201802271432.w1REWX5b011477@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Tue, 27 Feb 2018 14:32:33 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r330061 - stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: stable-11 X-SVN-Commit-Author: avg X-SVN-Commit-Paths: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Commit-Revision: 330061 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-11@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for only the 11-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Feb 2018 14:32:34 -0000 Author: avg Date: Tue Feb 27 14:32:33 2018 New Revision: 330061 URL: https://svnweb.freebsd.org/changeset/base/330061 Log: MFC r328776: ZFS ARC: restore illumos uses of 'needfree' that were removed in r325851 Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c ============================================================================== --- stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Tue Feb 27 14:29:20 2018 (r330060) +++ stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c Tue Feb 27 14:32:33 2018 (r330061) @@ -4237,6 +4237,7 @@ arc_available_memory(void) free_memory_reason_t r = FMR_UNKNOWN; #ifdef _KERNEL +#ifdef __FreeBSD__ /* * Cooperate with pagedaemon when it's time for it to scan * and reclaim some pages. @@ -4247,7 +4248,15 @@ arc_available_memory(void) r = FMR_LOTSFREE; } -#ifdef illumos +#else + if (needfree > 0) { + n = PAGESIZE * (-needfree); + if (n < lowest) { + lowest = n; + r = FMR_NEEDFREE; + } + } + /* * check that we're out of range of the pageout scanner. It starts to * schedule paging if freemem is less than lotsfree and needfree. @@ -4290,7 +4299,7 @@ arc_available_memory(void) r = FMR_PAGES_PP_MAXIMUM; } -#endif /* illumos */ +#endif /* __FreeBSD__ */ #if defined(__i386) || !defined(UMA_MD_SMALL_ALLOC) /* * If we're on an i386 platform, it's possible that we'll exhaust the @@ -4501,6 +4510,11 @@ arc_reclaim_thread(void *dummy __unused) int64_t to_free = (arc_c >> arc_shrink_shift) - free_memory; if (to_free > 0) { +#ifdef _KERNEL +#ifdef illumos + to_free = MAX(to_free, ptob(needfree)); +#endif +#endif arc_shrink(to_free); } } else if (free_memory < arc_c >> arc_no_grow_shift) {