From owner-dev-commits-src-branches@freebsd.org Sun Apr 11 00:56:25 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 F157E5DCFDC; Sun, 11 Apr 2021 00:56:25 +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 4FHtjP6b7Wz4c7r; Sun, 11 Apr 2021 00:56:25 +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 D544B1B125; Sun, 11 Apr 2021 00:56:25 +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 13B0uPmf014311; Sun, 11 Apr 2021 00:56:25 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 13B0uPXT014310; Sun, 11 Apr 2021 00:56:25 GMT (envelope-from git) Date: Sun, 11 Apr 2021 00:56:25 GMT Message-Id: <202104110056.13B0uPXT014310@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: c28f5f9b3e99 - stable/13 - Add sysctl debug.uma_reclaim MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: c28f5f9b3e99e3785228e05907a00f36b249c37a 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: Sun, 11 Apr 2021 00:56:26 -0000 The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=c28f5f9b3e99e3785228e05907a00f36b249c37a commit c28f5f9b3e99e3785228e05907a00f36b249c37a Author: Konstantin Belousov AuthorDate: 2021-04-04 16:28:14 +0000 Commit: Konstantin Belousov CommitDate: 2021-04-11 00:35:16 +0000 Add sysctl debug.uma_reclaim (cherry picked from commit 89619b747bcff379dca98e975a98865a45366417) --- sys/vm/vm_kern.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/sys/vm/vm_kern.c b/sys/vm/vm_kern.c index 8d6e4f678970..93c9e8c638bc 100644 --- a/sys/vm/vm_kern.c +++ b/sys/vm/vm_kern.c @@ -898,3 +898,23 @@ debug_vm_lowmem(SYSCTL_HANDLER_ARGS) SYSCTL_PROC(_debug, OID_AUTO, vm_lowmem, CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, 0, debug_vm_lowmem, "I", "set to trigger vm_lowmem event with given flags"); + +static int +debug_uma_reclaim(SYSCTL_HANDLER_ARGS) +{ + int error, i; + + i = 0; + error = sysctl_handle_int(oidp, &i, 0, req); + if (error != 0) + return (error); + if (i != UMA_RECLAIM_TRIM && i != UMA_RECLAIM_DRAIN && + i != UMA_RECLAIM_DRAIN_CPU) + return (EINVAL); + uma_reclaim(i); + return (0); +} + +SYSCTL_PROC(_debug, OID_AUTO, uma_reclaim, + CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, 0, debug_uma_reclaim, "I", + "set to generate request to reclaim uma caches");