From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Vinicius <jdob@ig.com.br>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel doesn't free Cached Memory
Date: Fri, 22 Jul 2005 23:03:51 +0100 [thread overview]
Message-ID: <1122069831.9478.61.camel@localhost.localdomain> (raw)
In-Reply-To: <20050722_160051_071630.jdob@ig.com.br>
On Gwe, 2005-07-22 at 13:00 -0300, Vinicius wrote:
> I also read on the Linux-Kernel that the problem may be related to an
> exhaustion of your kernels address space, I read that the hugemem-kernel
> might be the solution to this case since it has 4GB for the kernel memory
> plus 4GB for user process.
If its x86-32 then only the hugemem kernel will even see the memory.
There are big problems with 32Gb+ on a 32bit processor because there is
so little memory usable at a time that even the page tables become
problematic. Thankfully all sane machines with that much ram are 64bit.
next prev parent reply other threads:[~2005-07-22 21:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-22 16:00 Kernel doesn't free Cached Memory Vinicius
2005-07-22 22:03 ` Alan Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-07-22 11:27 Vinicius
2005-07-22 11:41 ` Bernd Petrovitsch
2005-07-22 13:06 ` linux-os (Dick Johnson)
2005-07-23 5:35 ` Al Boldi
2005-07-25 16:28 ` Bill Davidsen
2005-07-26 5:23 ` Al Boldi
2005-07-22 14:49 ` Alan Cox
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