From: Bob Liu <bob.liu@oracle.com>
To: Olav Haugan <ohaugan@codeaurora.org>
Cc: Luigi Semenzato <semenzato@google.com>,
Minchan Kim <minchan@kernel.org>,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: zram/zsmalloc issues in very low memory conditions
Date: Fri, 01 Nov 2013 08:35:50 +0800 [thread overview]
Message-ID: <5272F766.8000804@oracle.com> (raw)
In-Reply-To: <5272E8EB.5030900@codeaurora.org>
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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WARNING: multiple messages have this Message-ID (diff)
From: Bob Liu <bob.liu@oracle.com>
To: Olav Haugan <ohaugan@codeaurora.org>
Cc: Luigi Semenzato <semenzato@google.com>,
Minchan Kim <minchan@kernel.org>,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: zram/zsmalloc issues in very low memory conditions
Date: Fri, 01 Nov 2013 08:35:50 +0800 [thread overview]
Message-ID: <5272F766.8000804@oracle.com> (raw)
In-Reply-To: <5272E8EB.5030900@codeaurora.org>
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
next prev parent reply other threads:[~2013-11-01 0:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-23 21:51 zram/zsmalloc issues in very low memory conditions Olav Haugan
2013-10-23 21:51 ` Olav Haugan
2013-10-23 22:14 ` Luigi Semenzato
2013-10-23 22:17 ` Luigi Semenzato
2013-10-23 22:17 ` Luigi Semenzato
2013-10-24 0:55 ` Bob Liu
2013-10-24 0:55 ` Bob Liu
2013-10-25 0:35 ` Olav Haugan
2013-10-25 0:35 ` Olav Haugan
2013-10-25 1:12 ` Luigi Semenzato
2013-10-25 1:12 ` Luigi Semenzato
2013-10-31 23:34 ` Olav Haugan
2013-10-31 23:34 ` Olav Haugan
2013-11-01 0:25 ` Luigi Semenzato
2013-11-01 0:27 ` Luigi Semenzato
2013-11-01 0:27 ` Luigi Semenzato
2013-11-02 7:40 ` Stephen Barber
2013-11-02 7:40 ` Stephen Barber
2013-11-01 0:35 ` Bob Liu [this message]
2013-11-01 0:35 ` Bob Liu
2013-10-25 2:59 ` Bob Liu
2013-10-25 2:59 ` Bob Liu
2013-10-24 10:42 ` Weijie Yang
2013-10-24 10:42 ` Weijie Yang
2013-10-25 9:19 ` Minchan Kim
2013-10-25 9:19 ` Minchan Kim
2013-11-02 0:59 ` Olav Haugan
2013-11-02 0:59 ` Olav Haugan
2013-11-02 2:50 ` Bob Liu
2013-11-02 2:50 ` Bob Liu
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