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SubjectRe: 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@codeaurora.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


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