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List:       gentoo-amd64
Subject:    Re: [gentoo-amd64] Re: Advice On Enabling Transparent Hugepage
From:       Volker Armin Hemmann <volkerarmin () googlemail ! com>
Date:       2013-05-03 17:55:48
Message-ID: 5183FA24.1090902 () googlemail ! com
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Am 03.05.2013 18:12, schrieb Frank Peters:
> On Fri, 3 May 2013 05:13:44 +0000 (UTC)
> Duncan <1i5t5.duncan@cox.net> wrote:
>
>>  
>> firefox definitely uses transparent huge-pages if they're generally 
>> available.  
>>
> According to this early benchmark at Phoronix, the improvement for
> system-wide THP use is not that impressive:
>
> http://www.phoronix.com/scan.php?page=article&item=linux_transparent_hugepages&num=1
>
> I think it would probably be best to enable THP in the kernel limited
> to MADV_HUGEPAGE only.
>

why? it has no downsides. Apps use transparent hugepages without knowing
it (that is what the magical transparent means). It does not slow down
things.

Just turn it on.

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