From owner-freebsd-arm@freebsd.org Thu Nov 12 16:12:11 2015 Return-Path: Delivered-To: freebsd-arm@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 701E1A2D83B for ; Thu, 12 Nov 2015 16:12:11 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-io0-x231.google.com (mail-io0-x231.google.com [IPv6:2607:f8b0:4001:c06::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3DE861D56; Thu, 12 Nov 2015 16:12:11 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by ioir85 with SMTP id r85so28781731ioi.1; Thu, 12 Nov 2015 08:12:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=wnVhWMvmyzBsXOVp1rSwCfOKw3Uo5dbFFTW6234ZJpA=; b=Z+PnyVXECFoV+DoFYLRdM7IrxfyKwEyyR3qDZWtOBAWP3l3D0Gbh7XdkzYv5Aukv6S SyCzhMqVWXobWCFNupB4P8IgXfQ6oORcLhWKyVqKYYl0qksrSBB9jVzO0Ev3AxAm1Iey rB9lxPjD56kKSXHCy2GdsmqG4Q4Ie3Fuv1ayrp8J2KaXi/WUQIHoTCzxa2UfNcDT+LwW cnpjBqXyNQLsFNT2Hz0/Nn5zysQ2CuadbczyCVxgZvTgqhycmta5aYty+NuBubuEw+gp of5VP8qsUxfC3rQh7JdjC6lL3BFLsQ9D7UMrQJfkkt32RWleoEN4JPtQs1xK/qi6WsfQ Ul5w== MIME-Version: 1.0 X-Received: by 10.107.10.199 with SMTP id 68mr14910871iok.75.1447344730440; Thu, 12 Nov 2015 08:12:10 -0800 (PST) Received: by 10.36.217.196 with HTTP; Thu, 12 Nov 2015 08:12:10 -0800 (PST) In-Reply-To: <20151112121825.GJ2257@kib.kiev.ua> References: <20151112121825.GJ2257@kib.kiev.ua> Date: Thu, 12 Nov 2015 08:12:10 -0800 Message-ID: Subject: Re: Memory management issue on RPi? From: Adrian Chadd To: Konstantin Belousov Cc: Michael Tuexen , freebsd-arm Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2015 16:12:11 -0000 [snip] So what's it doing behind the scenes? is it creating lots of dirty pages that aren't under enough pressure to write back to storage? -a