From owner-svn-src-user@freebsd.org Mon Jan 15 00:47:34 2018 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A5573E6E63D for ; Mon, 15 Jan 2018 00:47:34 +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 TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8139175AD4; Mon, 15 Jan 2018 00:47:34 +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 BE3EC1421; Mon, 15 Jan 2018 00:47:33 +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 w0F0lXpk042991; Mon, 15 Jan 2018 00:47:33 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w0F0lXMC042989; Mon, 15 Jan 2018 00:47:33 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201801150047.w0F0lXMC042989@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Mon, 15 Jan 2018 00:47:33 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r327981 - user/markj/netdump/sys/vm X-SVN-Group: user X-SVN-Commit-Author: markj X-SVN-Commit-Paths: user/markj/netdump/sys/vm X-SVN-Commit-Revision: 327981 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jan 2018 00:47:34 -0000 Author: markj Date: Mon Jan 15 00:47:33 2018 New Revision: 327981 URL: https://svnweb.freebsd.org/changeset/base/327981 Log: Add a flag to disable per-CPU item caching in a given zone. Modified: user/markj/netdump/sys/vm/uma.h user/markj/netdump/sys/vm/uma_core.c Modified: user/markj/netdump/sys/vm/uma.h ============================================================================== --- user/markj/netdump/sys/vm/uma.h Mon Jan 15 00:29:17 2018 (r327980) +++ user/markj/netdump/sys/vm/uma.h Mon Jan 15 00:47:33 2018 (r327981) @@ -265,8 +265,8 @@ uma_zone_t uma_zcache_create(char *name, int size, uma * information in the vm_page. */ #define UMA_ZONE_SECONDARY 0x0200 /* Zone is a Secondary Zone */ -/* 0x0400 Unused */ -#define UMA_ZONE_MAXBUCKET 0x0800 /* Use largest buckets */ +#define UMA_ZONE_NOBUCKET 0x0400 /* Do not use buckets. */ +#define UMA_ZONE_MAXBUCKET 0x0800 /* Use largest buckets. */ #define UMA_ZONE_CACHESPREAD 0x1000 /* * Spread memory start locations across * all possible cache lines. May Modified: user/markj/netdump/sys/vm/uma_core.c ============================================================================== --- user/markj/netdump/sys/vm/uma_core.c Mon Jan 15 00:29:17 2018 (r327980) +++ user/markj/netdump/sys/vm/uma_core.c Mon Jan 15 00:47:33 2018 (r327981) @@ -1659,10 +1659,12 @@ zone_ctor(void *mem, int size, void *udata, int flags) } out: - if ((arg->flags & UMA_ZONE_MAXBUCKET) == 0) - zone->uz_count = bucket_select(zone->uz_size); - else + if ((arg->flags & UMA_ZONE_MAXBUCKET) != 0) zone->uz_count = BUCKET_MAX; + else if ((arg->flags & UMA_ZONE_NOBUCKET) != 0) + zone->uz_count = 0; + else + zone->uz_count = bucket_select(zone->uz_size); zone->uz_count_min = zone->uz_count; return (0);