linux-kernel - Re: Free memory level in 2.6.16?

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Date:	Thu, 05 Oct 2006 15:10:29 -0500
From:	Steve Bergman <sbergman@...b.com>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: Free memory level in 2.6.16?

On Thu, 2006-10-05 at 22:01 +0200, Andi Kleen wrote:

> 
> Normally it keeps some memory free for interrupt handlers which
> cannot free other memory. But 150MB is indeed a lot, especially
> it's only in the ~900MB lowmem zone.
> 
> You could play with /proc/sys/vm/lowmem_reserve_ratio but must
> likely some defaults need tweaking.

Thank you for the reply, Andi.  This kernel is compiled with the .config
from the original FC5 release, which used kernel 2.6.15.  I just ran
"make oldconfig" on it and accepted the defaults.

So it is, I believe, a 4GB/4GB split.  Does that make a difference?

Thanks,
Steve Bergman

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