From owner-svn-src-all@freebsd.org Thu Jun 13 16:34:56 2019 Return-Path: Delivered-To: svn-src-all@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 35D9A15B781E; Thu, 13 Jun 2019 16:34:56 +0000 (UTC) (envelope-from markj@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CA0C78CBB0; Thu, 13 Jun 2019 16:34:55 +0000 (UTC) (envelope-from markj@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 BABE42F02; Thu, 13 Jun 2019 16:34:55 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x5DGYtGY002948; Thu, 13 Jun 2019 16:34:55 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x5DGYt6t002947; Thu, 13 Jun 2019 16:34:55 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201906131634.x5DGYt6t002947@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Thu, 13 Jun 2019 16:34:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r349018 - stable/12/sys/vm X-SVN-Group: stable-12 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: stable/12/sys/vm X-SVN-Commit-Revision: 349018 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: CA0C78CBB0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.997,0]; NEURAL_HAM_SHORT(-0.97)[-0.972,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Jun 2019 16:34:56 -0000 Author: markj Date: Thu Jun 13 16:34:55 2019 New Revision: 349018 URL: https://svnweb.freebsd.org/changeset/base/349018 Log: MFC r348747: Add sysctls for uma_kmem_{limit,total}. Modified: stable/12/sys/vm/uma_core.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/vm/uma_core.c ============================================================================== --- stable/12/sys/vm/uma_core.c Thu Jun 13 16:34:25 2019 (r349017) +++ stable/12/sys/vm/uma_core.c Thu Jun 13 16:34:55 2019 (r349018) @@ -144,9 +144,16 @@ static int boot_pages; static struct sx uma_drain_lock; -/* kmem soft limit. */ +/* + * kmem soft limit, initialized by uma_set_limit(). Ensure that early + * allocations don't trigger a wakeup of the reclaim thread. + */ static unsigned long uma_kmem_limit = LONG_MAX; +SYSCTL_ULONG(_vm, OID_AUTO, uma_kmem_limit, CTLFLAG_RD, &uma_kmem_limit, 0, + "UMA kernel memory soft limit"); static unsigned long uma_kmem_total; +SYSCTL_ULONG(_vm, OID_AUTO, uma_kmem_total, CTLFLAG_RD, &uma_kmem_total, 0, + "UMA kernel memory usage"); /* Is the VM done starting up? */ static enum { BOOT_COLD = 0, BOOT_STRAPPED, BOOT_PAGEALLOC, BOOT_BUCKETS,