From nobody Thu Oct 12 10:15:33 2023 X-Original-To: dev-commits-src-all@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 4S5lrj3CPYz4nhYW; Thu, 12 Oct 2023 10:15:33 +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 4S5lrj2Pxsz3Ttw; Thu, 12 Oct 2023 10:15:33 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1697105733; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=/wx67o7ZsVtXR5LUcUg4wb+qTFtZ3fMqNv1YCmySYEs=; b=kN75tw3mLgTQL4wLAl1kNXEZu+ZGsAawuvEBrd3EJXmkAW/zhfj33snHKhkQ2FuNuDzHGZ c4EkIavDVhMqoEWBU2NC4x7G7+yuPr3k/NuxwVdpABHAYsfTWpUa67YJbPZEisJkMSRpRv Eo13vxpgC31uOK90bBEtUbQlCx9PI4L/08Z+ihbQvR/Y9TIHREx/kypxDb3jyMZmvdsvpq f5w466bqbgWBxb6sMGriDLOjrMedFt1SoVsucPYIgqFIcq1cCq3cPdhTf9+UvDoguWqA5h Jd40N0mrMKCDsLmlvDwgyu3qjI7ecbf3M59PqnIyRZn+w2zUI2Yguj4RQRkUTA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1697105733; a=rsa-sha256; cv=none; b=b/S7yyTawuK0Jc3tyCG6furdQLuiEfoDpZhXCf+U/KFYNRBYzy4L65uOGH59SEEYb2GmND VuwtYKmpaM+WJKq/ln2a/g8HuNMhzjBccA8WSLzXqpcel8LS4exUS3nB/0YOJrfHBC8OJq 5FWFDRG/3LHykAvnJq66bWyRNUUv46sY5aJqvgi5JIlWh+2WPa7HKzBXZPhDaTgdaUNYMr XRiAMdDX4PVd6hYTeMWxdRP4P0CUK3CM6kWEQgEKwu1LN8Id6Mc+oBNeOoywQt5q4HhuBX fWYQRt7UrNDeER9NNBydjhbtV76ZcC71UcjPcYTos19A2u0FbVrRTkbYSQk9RA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1697105733; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=/wx67o7ZsVtXR5LUcUg4wb+qTFtZ3fMqNv1YCmySYEs=; b=QX9zSMvyZMiOnfNe1ilYd4qFHa25Qr15XXbs5F3S63NCOzyQaypz43InwocdhGHfqm4stk w+RQNe9NTbv1USMxupYKr0dMVMG/G2vvZHcqlzp7I4kylMWXAf0uISdskM1701LSHEIpsZ LyqyP0RrJB4S9ATj/Q5r98pIVe+cx0N1khC5/T8c7AIWCnRKMPByq0PEtvgBUm5dVaP9It HjlEZGjmh2N2Lq4KUVYydELbsmHIxdvAN4vcAu6+//MpGUoongjm2aeXzgJUH6fnh3UKoF XlZQCoRzUkTZtMvlwXMlvZu/NpBtylAKljY27UqqhkS/cD8i9i3hn+HAiqG7aQ== 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 4S5lrj1Wglz103f; Thu, 12 Oct 2023 10:15:33 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 39CAFX2T073331; Thu, 12 Oct 2023 10:15:33 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 39CAFXVD073328; Thu, 12 Oct 2023 10:15:33 GMT (envelope-from git) Date: Thu, 12 Oct 2023 10:15:33 GMT Message-Id: <202310121015.39CAFXVD073328@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Zhenlei Huang Subject: git: a55fbda874db - main - vm_page: Add corresponding sysctl knob for loader tunable List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: zlei X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: a55fbda874db31b804490567c69502c891b6ff61 Auto-Submitted: auto-generated The branch main has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=a55fbda874db31b804490567c69502c891b6ff61 commit a55fbda874db31b804490567c69502c891b6ff61 Author: Zhenlei Huang AuthorDate: 2023-10-12 10:14:49 +0000 Commit: Zhenlei Huang CommitDate: 2023-10-12 10:14:49 +0000 vm_page: Add corresponding sysctl knob for loader tunable The loader tunable 'vm.pgcache_zone_max_pcpu' does not have corresponding sysctl MIB entry. Add it so that it can be retrieved, and `sysctl -T` will also report it correctly. Reviewed by: markj MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D42138 --- sys/vm/vm_page.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c index 4f3c4ba2d4d7..8496a39154de 100644 --- a/sys/vm/vm_page.c +++ b/sys/vm/vm_page.c @@ -198,6 +198,11 @@ vm_page_init(void *dummy) bogus_page = vm_page_alloc_noobj(VM_ALLOC_WIRED); } +static int pgcache_zone_max_pcpu; +SYSCTL_INT(_vm, OID_AUTO, pgcache_zone_max_pcpu, + CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &pgcache_zone_max_pcpu, 0, + "Per-CPU page cache size"); + /* * The cache page zone is initialized later since we need to be able to allocate * pages before UMA is fully initialized. @@ -209,9 +214,8 @@ vm_page_init_cache_zones(void *dummy __unused) struct vm_pgcache *pgcache; int cache, domain, maxcache, pool; - maxcache = 0; - TUNABLE_INT_FETCH("vm.pgcache_zone_max_pcpu", &maxcache); - maxcache *= mp_ncpus; + TUNABLE_INT_FETCH("vm.pgcache_zone_max_pcpu", &pgcache_zone_max_pcpu); + maxcache = pgcache_zone_max_pcpu * mp_ncpus; for (domain = 0; domain < vm_ndomains; domain++) { vmd = VM_DOMAIN(domain); for (pool = 0; pool < VM_NFREEPOOL; pool++) {