From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753835AbbLFSce (ORCPT ); Sun, 6 Dec 2015 13:32:34 -0500 Received: from one.firstfloor.org ([193.170.194.197]:59924 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753014AbbLFScd (ORCPT ); Sun, 6 Dec 2015 13:32:33 -0500 Date: Sun, 6 Dec 2015 19:32:31 +0100 From: Andi Kleen To: Andi Kleen Cc: hughd@google.com, viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: tmpfs sizing broken in 4.4-rc* Message-ID: <20151206183231.GA21661@two.firstfloor.org> References: <20151206181655.GM15533@two.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151206181655.GM15533@two.firstfloor.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Dec 06, 2015 at 07:16:55PM +0100, Andi Kleen wrote: > > Hi, > > It seems on 4.4-rc2 something is wrong how tmpfs is sized by default. > > On a 4GB system with /tmp as tmpfs I only have an 1MB sized /tmp now. Which > breaks a lot of stuff, including the scripts to install new kernels. > > When I remount it manually with a larger size things works again. > > I haven't tried to bisect or debug it, but I'm reasonably sure the > problem wasn't there with 4.3. Never mind. I did some more experiments and tmp seems to be back to the expected size now after some experiments/reboots. Must have been some fluke or a rogue script. -Andi