From: Roberto Fichera <kernel@tekno-soft.it>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to use memory over 4GB
Date: Mon, 16 May 2005 16:50:55 +0200 [thread overview]
Message-ID: <6.2.1.2.2.20050516164236.05922a30@mail.tekno-soft.it> (raw)
In-Reply-To: <4288AB6A.3060106@cosmosbay.com>
At 16.17 16/05/2005, Eric Dumazet wrote:
>Roberto Fichera a écrit :
>
>>
>>>But still you need a 4GB/4GB user/kernel split, because the standard is
>>>3GB/1GB.
>>
>>Why I need 4GB/4GB split? What are the beneficts?
>
>Well... 4GB for your process is better than 3GB, that's 33% more space...
Right! So, the 4GB/4GB split and tmpfs pair should be the best solution to
address as much memory possible on a single user process.
>If your process is cpu bounded (and not issuing too many system calls),
>then 4GB/4GB split let it address more ram, reducing the need to shift
>windows in
>mmaped files for example.
... any source code that explain better what you say ;-)!
>Eric
>
Roberto Fichera.
next prev parent reply other threads:[~2005-05-16 14:52 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-16 12:42 Roberto Fichera
2005-05-16 12:56 ` Michael Tokarev
2005-05-16 13:16 ` Roberto Fichera
2005-05-16 15:10 ` William Lee Irwin III
2005-05-16 15:47 ` Roberto Fichera
2005-05-16 15:54 ` William Lee Irwin III
2005-05-16 16:37 ` Roberto Fichera
2005-05-16 19:14 ` Bill Davidsen
2005-05-16 12:57 ` Eric Dumazet
2005-05-16 13:18 ` Roberto Fichera
2005-05-16 14:17 ` Eric Dumazet
2005-05-16 14:50 ` Roberto Fichera [this message]
2005-05-16 21:34 ` Nix
2005-05-17 7:15 ` Roberto Fichera
2005-05-16 15:22 ` William Lee Irwin III
2005-05-16 12:55 li nux
2005-05-16 13:06 ` Roberto Fichera
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