From: Con Kolivas <kernel@kolivas.org>
To: Haar =?iso-8859-1?q?J=E1nos?= <djani22@netcenter.hu>
Subject: Re: swapper: page allocation failure.
Date: Tue, 23 May 2006 01:12:45 +1000
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On Tuesday 23 May 2006 01:08, Haar J?nos wrote:
> ----- Original Message -----
> From: "Con Kolivas" <kernel@kolivas.org>
> > Try with one of the alternative vmsplit options that gives you more
>
> lowmem?
>
> > That might break certain applications though.
>
>              total       used       free     shared    buffers     cached
> Mem:       4049724    4021196      28528          0      16384    3217288
> Low:       4049724    4021196      28528
> High:            0          0          0
> -/+ buffers/cache:     787524    3262200
> Swap:            0          0          0
>
> This is an 64 bit machine, the "concentrator".
>
> It looks like use all, the 4G ram as "lowmem".
> If i replace the cpu on my nodes to 64bit capable ones, i can use all the
> memory as buffer-cache? :-)

Heh yes indeed. It's only if you're stuck on 32bit for whatever reason that 
you'd need a different vmsplit. There is no need for highmem when 64bit 
allows bazillions of bytes of lowmem :)

-- 
-ck
-
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