From owner-svn-src-user@FreeBSD.ORG Fri Nov 9 00:40:38 2012 Return-Path: Delivered-To: svn-src-user@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 72FAFFDA for ; Fri, 9 Nov 2012 00:40:38 +0000 (UTC) (envelope-from lists@eitanadler.com) Received: from mail-la0-f54.google.com (mail-la0-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id D68C98FC15 for ; Fri, 9 Nov 2012 00:40:37 +0000 (UTC) Received: by mail-la0-f54.google.com with SMTP id e12so3282671lag.13 for ; Thu, 08 Nov 2012 16:40:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eitanadler.com; s=0xdeadbeef; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; bh=yPYEU+9/hzXvd5wvg+oyOpavs5F4JxQRafefHp6V1DM=; b=orZL3F89mojVTS0Yzu2ySSvo+3hWctRBnLX5zftUVOqmSjmbgN9z1C6wRGItSg5CXw 1JA8NKLEj3WOnGZg7ZFH3+tbOAC3berQKOPJrLOsFKJVKwwMIbQGFcEUqxA/TwiPi+Me KX9KhY6WOawVv+mgfkXYn4aoUcHCbih3ijgf0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type :x-gm-message-state; bh=yPYEU+9/hzXvd5wvg+oyOpavs5F4JxQRafefHp6V1DM=; b=fW1w6pJrOQR1OG6SO74+C93HDjax04RIuduEIYYxbkJUlLdhD61tP74NV4tFWB/Sls osgd0w3Lioieq9bYKY/POa0djoS+wV5uT15YCF6bQY0sCnqYnkC5lnIR2+Il5SZexmXb RGQMKmPA/Sbp2E8Z5BCvF48RhQEKph5QD24WxUTscwWZXIZ4gUszHsuqvjNRfRd/J1HT zPo7OsmTZ/LmDgzYCI9FIzSN2Xa7T5WPC2Se4l8356Tm5RoPyrZsEqav+dOvS4QSVbDh nDg1U0sFERXI+t1JAQuJ+bX1CCipwP65ErR3iCIDmgkGn5DWrJb6ecb31p3IgYjqDc7+ TTDg== Received: by 10.112.104.2 with SMTP id ga2mr4037280lbb.48.1352421631299; Thu, 08 Nov 2012 16:40:31 -0800 (PST) MIME-Version: 1.0 Sender: lists@eitanadler.com Received: by 10.112.25.166 with HTTP; Thu, 8 Nov 2012 16:40:00 -0800 (PST) In-Reply-To: <201211082324.qA8NO3h5046824@svn.freebsd.org> References: <201211082324.qA8NO3h5046824@svn.freebsd.org> From: Eitan Adler Date: Thu, 8 Nov 2012 19:40:00 -0500 X-Google-Sender-Auth: ZD8WhNsciqiAxeAxrRCuQGccCKA Message-ID: Subject: Re: svn commit: r242805 - in user/alfred/9-alfred/sys: i386/include kern To: Alfred Perlstein Content-Type: text/plain; charset=UTF-8 X-Gm-Message-State: ALoCoQmUMbooxKWur+uzT9ZK5VzeH56cBBDwlr2ENHonHd+ps3S/90X8bU2sqL1fT9CSIWNxEhhl Cc: src-committers@freebsd.org, svn-src-user@freebsd.org X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.14 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: Fri, 09 Nov 2012 00:40:38 -0000 On 8 November 2012 18:24, Alfred Perlstein wrote: > Author: alfred > Date: Thu Nov 8 23:24:02 2012 > New Revision: 242805 > URL: http://svnweb.freebsd.org/changeset/base/242805 > > Log: > clip maxusers based on MD VM_MAX_AUTOTUNE_MAXUSERS. > > Modified: > user/alfred/9-alfred/sys/i386/include/vmparam.h > user/alfred/9-alfred/sys/kern/subr_param.c > > Modified: user/alfred/9-alfred/sys/i386/include/vmparam.h > ============================================================================== > --- user/alfred/9-alfred/sys/i386/include/vmparam.h Thu Nov 8 23:21:02 2012 (r242804) > +++ user/alfred/9-alfred/sys/i386/include/vmparam.h Thu Nov 8 23:24:02 2012 (r242805) > @@ -202,9 +202,14 @@ > > #define ZERO_REGION_SIZE (64 * 1024) /* 64KB */ > > +#ifndef VM_MAX_AUTOTUNE_MAXUSERS > +#define VM_MAX_AUTOTUNE_MAXUSERS 384 > +#endif > + > #ifndef MAX_AUTOTUNE_NMBCLUSTERS > /* old maxusers max value. */ > #define MAX_AUTOTUNE_NMBCLUSTERS (1024 + 384 * 64) > #endif > > + > #endif /* _MACHINE_VMPARAM_H_ */ > > Modified: user/alfred/9-alfred/sys/kern/subr_param.c > ============================================================================== > --- user/alfred/9-alfred/sys/kern/subr_param.c Thu Nov 8 23:21:02 2012 (r242804) > +++ user/alfred/9-alfred/sys/kern/subr_param.c Thu Nov 8 23:24:02 2012 (r242805) > @@ -278,16 +278,16 @@ init_param2(long physpages) > maxusers = physpages / (2 * 1024 * 1024 / PAGE_SIZE); > if (maxusers < 32) > maxusers = 32; > +#ifdef VM_MAX_AUTOTUNE_MAXUSERS > + if (maxusers > VM_MAX_AUTOTUNE_MAXUSERS) > + maxusers = VM_MAX_AUTOTUNE_MAXUSERS; > +#endif > /* > - * Clips maxusers to 384 on machines with <= 4GB RAM or 32bit. > - * Scales it down 6x for large memory machines. > + * Scales down the function in which maxusers grows once > + * we hit 384 > */ Could the number 384 be clarified here. Where is it coming from? -- Eitan Adler Source, Ports, Doc committer Bugmeister, Ports Security teams