From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f180.google.com (mail-pd0-f180.google.com [209.85.192.180]) by kanga.kvack.org (Postfix) with ESMTP id 0F30E6B0036 for ; Thu, 31 Oct 2013 19:34:07 -0400 (EDT) Received: by mail-pd0-f180.google.com with SMTP id p10so3074245pdj.11 for ; Thu, 31 Oct 2013 16:34:07 -0700 (PDT) Received: from psmtp.com ([74.125.245.190]) by mx.google.com with SMTP id gu5si3430184pac.217.2013.10.31.16.34.06 for ; Thu, 31 Oct 2013 16:34:07 -0700 (PDT) Message-ID: <5272E8EB.5030900@codeaurora.org> Date: Thu, 31 Oct 2013 16:34:03 -0700 From: Olav Haugan MIME-Version: 1.0 Subject: Re: zram/zsmalloc issues in very low memory conditions References: <526844E6.1080307@codeaurora.org> <52686FF4.5000303@oracle.com> <5269BCCC.6090509@codeaurora.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Luigi Semenzato Cc: Bob Liu , Minchan Kim , Seth Jennings , linux-kernel@vger.kernel.org, linux-mm@kvack.org Hi Luigi, On 10/24/2013 6:12 PM, Luigi Semenzato wrote: > On Thu, Oct 24, 2013 at 5:35 PM, Olav Haugan wrote: >> Hi Bob, Luigi, >> >> On 10/23/2013 5:55 PM, Bob Liu wrote: >>> >>> On 10/24/2013 05:51 AM, Olav Haugan wrote: >> >>> By the way, could you take a try with zswap? Which can write pages to >>> real swap device if compressed pool is full. >> >> zswap might not be feasible in all cases if you only have flash as >> backing storage. > > Zswap can be configured to run without a backing storage. > I was under the impression that zswap requires a backing storage. Can you elaborate on how to configure zswap to not need a backing storage? Olav Haugan -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org