From nobody Thu Oct 19 14:19:33 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 4SB8x142Ggz4xVMZ; Thu, 19 Oct 2023 14:19:33 +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 4SB8x13NSyz4V73; Thu, 19 Oct 2023 14:19:33 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1697725173; 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=rB8X6eWBzNB5PW2Ek7ViSY6UyAmHWgKbM883Yir2FYo=; b=uiI2mOu1XYpDC7tNL1LNjyElHMOhdp56ZjxrT5yDaOXOkKh54lCdshTXf8F4byH8RWrZ+p hrf5KtsL/vse7Puux+So+zTqPvLXuupovTYTy57quOleewelrNI0N0khQwvZ/rJ0nO4cgh HnXziaA0/9NYWnR7EeNa1h8Bff3M7ix9G2Fxp3FlVpYRsdN0uvSBeEb2hbQ015aAdbJSJA p2LnWuzhp6D8cIGhJjgzTNDIsLLcprRMEtZYug3cp+P0dt23du+/BQzZVpw9U3SBRdL6KP fOZw2OEFvRbRoq0wrsOROGGcsGnltteF7w+NUI2Qi27md0heVSfCmtPU92yRKQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1697725173; a=rsa-sha256; cv=none; b=BJACmhAySUNkkwDSdxa6Ee7PIRjjmHJRM+GsCS5UoxT2HZEpOcUQMsWZkg8aiS9ijqlGsG +3bmOz7vvCV3QNZqxcRtb6rD3eTPFya4hEYOt6XBDA9AtSSRkZhEG4fOmpG8EInNGP4xKL JWa5gxVHyQFefFURlQKGD4v0PMuDQ/gYDh2r9HLvNSbGwfjsRDev12UVg32fwtgzc6K2ur H6l/6mXNVbgoAjqRSmviJgpJivsuIVJAmjpJOqhr/5dSn74/y2MX6XWXhknhin9x3LR66g 0adz1y9yxaqS6No6Kps/UKVkCltAKFkpZWaNOFpgLa/VLdL6gMfF9YqOkT5UrA== 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=1697725173; 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=rB8X6eWBzNB5PW2Ek7ViSY6UyAmHWgKbM883Yir2FYo=; b=cbVxDBqpRRa7EGupDg1priw0WoKiUCnMZkcZ/MPssD7rZ0NZ9ZvEfafTCQZHAW1MqsQY7D gJgsnI95Ja+KSAV/55XL8ugIMvFBYyXrHyqfO/SGkmgifZ8LyErj+5bKp2qC1Lhqpl3D5D tqpszCKpTPnYBAdn5sc2FfiqBNaLFw3xQiGMsrLs9DjLtVCMaGAvqCTncB84ogyPgWcert KjdTC8jc1cLrOzEJn0e2ZzPZ2ro1sdTt1hkRU77waQ7W8PTZS4Tzo6e1vp/YThkXOg3ECi SQ6S46b8MrIkDJmPzvJVy4NejMMBbd/dYUF1O8hyvia2iKbnglsdszeIvVYgRg== 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 4SB8x12QFwzt5j; Thu, 19 Oct 2023 14:19:33 +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 39JEJXgY062309; Thu, 19 Oct 2023 14:19:33 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 39JEJXSw062306; Thu, 19 Oct 2023 14:19:33 GMT (envelope-from git) Date: Thu, 19 Oct 2023 14:19:33 GMT Message-Id: <202310191419.39JEJXSw062306@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Zhenlei Huang Subject: git: de2b262fde2f - stable/13 - 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/stable/13 X-Git-Reftype: branch X-Git-Commit: de2b262fde2f0955cff5cade6cca58b06fbdd37f Auto-Submitted: auto-generated The branch stable/13 has been updated by zlei: URL: https://cgit.FreeBSD.org/src/commit/?id=de2b262fde2f0955cff5cade6cca58b06fbdd37f commit de2b262fde2f0955cff5cade6cca58b06fbdd37f Author: Zhenlei Huang AuthorDate: 2023-10-12 10:14:49 +0000 Commit: Zhenlei Huang CommitDate: 2023-10-19 14:17:29 +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 (cherry picked from commit a55fbda874db31b804490567c69502c891b6ff61) (cherry picked from commit cb5bc8a748dfefc68e3905e8fdf17e0484844383) --- 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 76c50ba676c2..d21022930396 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++) {