From owner-dev-commits-src-branches@freebsd.org Sat May 22 18:38:28 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id AC53C634965; Sat, 22 May 2021 18:38:28 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FnXKw3dTCz4d4c; Sat, 22 May 2021 18:38:27 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 87FFB1299; Sat, 22 May 2021 18:38:27 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 14MIcRu7020162; Sat, 22 May 2021 18:38:27 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 14MIcRO4020161; Sat, 22 May 2021 18:38:27 GMT (envelope-from git) Date: Sat, 22 May 2021 18:38:27 GMT Message-Id: <202105221838.14MIcRO4020161@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mateusz Guzik Subject: git: a6e5d0305505 - stable/13 - zfs: avoid memory allocation in arc_prune_async MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mjg X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: a6e5d0305505ab1a70c92b9dea344b7c6914cf91 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 22 May 2021 18:38:29 -0000 The branch stable/13 has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=a6e5d0305505ab1a70c92b9dea344b7c6914cf91 commit a6e5d0305505ab1a70c92b9dea344b7c6914cf91 Author: Mateusz Guzik AuthorDate: 2021-04-11 05:15:41 +0000 Commit: Mateusz Guzik CommitDate: 2021-05-22 18:37:28 +0000 zfs: avoid memory allocation in arc_prune_async (cherry picked from commit 97ed4babb51636d8a4b11bc7b207c3219ffcd0e3) --- sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c b/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c index 201dbc423336..e73efd810e53 100644 --- a/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/arc_os.c @@ -158,10 +158,13 @@ arc_default_max(uint64_t min, uint64_t allmem) static void arc_prune_task(void *arg) { - int64_t nr_scan = *(int64_t *)arg; +#ifdef __LP64__ + int64_t nr_scan = (int64_t)arg; +#else + int64_t nr_scan = (int32_t)arg; +#endif arc_reduce_target_size(ptob(nr_scan)); - free(arg, M_TEMP); #if __FreeBSD_version >= 1300139 sx_xlock(&arc_vnlru_lock); vnlru_free_vfsops(nr_scan, &zfs_vfsops, arc_vnlru_marker); @@ -185,13 +188,14 @@ arc_prune_task(void *arg) void arc_prune_async(int64_t adjust) { - int64_t *adjustptr; - if ((adjustptr = malloc(sizeof (int64_t), M_TEMP, M_NOWAIT)) == NULL) - return; +#ifndef __LP64__ + if (adjust > __LONG_MAX) + adjust = __LONG_MAX; +#endif - *adjustptr = adjust; + adjustptr = (void *)adjust; taskq_dispatch(arc_prune_taskq, arc_prune_task, adjustptr, TQ_SLEEP); ARCSTAT_BUMP(arcstat_prune); }