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Date: Fri, 01 Nov 2013 08:35:50 +0800 From: Bob Liu <bob.liu@...cle.com> To: Olav Haugan <ohaugan@...eaurora.org> CC: Luigi Semenzato <semenzato@...gle.com>, Minchan Kim <minchan@...nel.org>, Seth Jennings <sjenning@...ux.vnet.ibm.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: zram/zsmalloc issues in very low memory conditions Hi Olav, On 11/01/2013 07:34 AM, Olav Haugan wrote: > Hi Luigi, > > On 10/24/2013 6:12 PM, Luigi Semenzato wrote: >> On Thu, Oct 24, 2013 at 5:35 PM, Olav Haugan <ohaugan@...eaurora.org> 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? > AFAIK, currently zswap can't be used without a backing storage. Perhaps you can take a try by creating a swap device backed by a file on storage. -- Regards, -Bob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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