Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751292Ab3FXUFY (ORCPT ); Mon, 24 Jun 2013 16:05:24 -0400 Received: from mail-pb0-f45.google.com ([209.85.160.45]:48690 "EHLO mail-pb0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750745Ab3FXUFW (ORCPT ); Mon, 24 Jun 2013 16:05:22 -0400 Date: Mon, 24 Jun 2013 13:05:18 -0700 From: Kent Overstreet To: Pavel Machek Cc: kernel list , linux-bcache@vger.kernel.org Subject: Re: bcache: order 7 allocation Message-ID: <20130624200518.GA2509@google.com> References: <20130622114745.GB8075@amd.pavel.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130622114745.GB8075@amd.pavel.ucw.cz> 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 Content-Length: 676 Lines: 17 On Sat, Jun 22, 2013 at 01:47:46PM +0200, Pavel Machek wrote: > Hi! > > I'm trying to play with bcache, but first surprise was oom in syslog: > > Order 7 alocation is pretty big, no? That's a btree node - and after it allocates the reserve at startup, allocation failures don't matter. I would just flip on CONFIG_COMPACTION - CONFIG_BCACHE used to select that but someone complained (probably I just shouldn't have listened). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/