From owner-dev-commits-src-all@freebsd.org Wed Sep 29 20:27:34 2021 Return-Path: Delivered-To: dev-commits-src-all@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 BEC7A67B33B; Wed, 29 Sep 2021 20:27:34 +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 4HKSbp4FF1z4q2f; Wed, 29 Sep 2021 20:27:34 +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 6FB791EB31; Wed, 29 Sep 2021 20:27:34 +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 18TKRY5u038550; Wed, 29 Sep 2021 20:27:34 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 18TKRYat038549; Wed, 29 Sep 2021 20:27:34 GMT (envelope-from git) Date: Wed, 29 Sep 2021 20:27:34 GMT Message-Id: <202109292027.18TKRYat038549@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Vladimir Kondratyev Subject: git: 2fe9ea5d3ad6 - main - LinuxKPI: allocate current before taking shrinkers lock 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/main X-Git-Reftype: branch X-Git-Commit: 2fe9ea5d3ad69d880138d98b2ae8d2c4309eeafa Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Sep 2021 20:27:35 -0000 The branch main has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=2fe9ea5d3ad69d880138d98b2ae8d2c4309eeafa commit 2fe9ea5d3ad69d880138d98b2ae8d2c4309eeafa Author: Vladimir Kondratyev AuthorDate: 2021-09-29 20:12:58 +0000 Commit: Vladimir Kondratyev CommitDate: 2021-09-29 20:12:58 +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 MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D32066 --- 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);