Re: android-kernel memory reclaim x20 boost?
From: Minchan Kim
Date: Thu Aug 19 2010 - 09:26:39 EST
On Thu, Aug 19, 2010 at 10:04 AM, San Mehat <san@xxxxxxxxxx> wrote:
> On Wed, Aug 18, 2010 at 6:01 PM, Arve Hjønnevåg <arve@xxxxxxxxxxx> wrote:
>> On Wed, Aug 18, 2010 at 5:54 PM, Minchan Kim <minchan.kim@xxxxxxxxx> wrote:
>>> On Thu, Aug 19, 2010 at 12:26 AM, Alejandro Riveira Fernández
>>> <ariveira@xxxxxxxxx> wrote:
>>>> El Thu, 19 Aug 2010 00:18:57 +0900
>>>> Minchan Kim <minchan.kim@xxxxxxxxx> escribió:
>>>>
>>>>> Hello Android forks,
>>>> [ ... ]
>>>>>
>>>>> I saw the advertisement phrase in this[1].
>>>>>
>>>>> "Kernel Memory Management Boost: Improved memory reclaim by up to 20x,
>>>>> which results in faster app switching and smoother performance
>>>>> on memory-constrained devices."
>>>>>
>>>>> But I can't find any code for it in android kernel git tree.
>>>>
>>>> Maybe the enhancements are on the Dalvik VM (shooting in the dark here)
>>>
>>> Thanks.
>>> Android guys! Could you confirm this?
>>>
>>
>> It is more likely referring to this change:
>>
>
> There are other changes after the one mentioned that remove the
> requirement for CONFIG_PROFILING
> (and the subsequent task_struct leak that was caused by it)
>
> -san
It seems to be not a issue of mainline but only one of android lowmemkiller.
Thanks for the information, Android forks.
--
Kind regards,
Minchan Kim
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