From nobody Wed Oct 13 09:19:10 2021 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id C2B281800067; Wed, 13 Oct 2021 09:19:11 +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 4HTn673BmGz4sVJ; Wed, 13 Oct 2021 09:19:11 +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 1515324C71; Wed, 13 Oct 2021 09:19:11 +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 19D9JADE057229; Wed, 13 Oct 2021 09:19:10 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 19D9JAOZ057228; Wed, 13 Oct 2021 09:19:10 GMT (envelope-from git) Date: Wed, 13 Oct 2021 09:19:10 GMT Message-Id: <202110130919.19D9JAOZ057228@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Vladimir Kondratyev Subject: git: c1daa6fa4ca5 - stable/13 - LinuxKPI: allocate current before taking shrinkers lock List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: wulf X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: c1daa6fa4ca53206908777f2f9e17ea7ddd7d295 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=c1daa6fa4ca53206908777f2f9e17ea7ddd7d295 commit c1daa6fa4ca53206908777f2f9e17ea7ddd7d295 Author: Vladimir Kondratyev AuthorDate: 2021-09-29 20:12:58 +0000 Commit: Vladimir Kondratyev CommitDate: 2021-10-13 09:00:17 +0000 LinuxKPI: allocate current before taking shrinkers lock This fixes following warnings when shrinkers are invoked first time: uma_zalloc_debug: zone "lkpicurr" with the following non-sleepable locks held: exclusive sleep mutex lkpi-shrinker (lkpi-shrinker) uma_zalloc_debug: zone "lkpimm" with the following non-sleepable locks held: exclusive sleep mutex lkpi-shrinker (lkpi-shrinker) Reviewed by: hselasky, manu Differential revision: https://reviews.freebsd.org/D32066 (cherry picked from commit 2fe9ea5d3ad69d880138d98b2ae8d2c4309eeafa) --- sys/compat/linuxkpi/common/src/linux_shrinker.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/compat/linuxkpi/common/src/linux_shrinker.c b/sys/compat/linuxkpi/common/src/linux_shrinker.c index 0423f4e05804..b66316c22013 100644 --- a/sys/compat/linuxkpi/common/src/linux_shrinker.c +++ b/sys/compat/linuxkpi/common/src/linux_shrinker.c @@ -36,6 +36,7 @@ __FBSDID("$FreeBSD$"); #include #include +#include #include TAILQ_HEAD(, shrinker) lkpi_shrinkers = TAILQ_HEAD_INITIALIZER(lkpi_shrinkers); @@ -93,6 +94,7 @@ linuxkpi_vm_lowmem(void *arg __unused) { struct shrinker *s; + linux_set_current(curthread); mtx_lock(&mtx_shrinker); TAILQ_FOREACH(s, &lkpi_shrinkers, next) { shrinker_shrink(s);