Re: [PATCH 4/7] ppc64 - Specify amount of kernel memory at boot time

[KAMEZAWA Hiroyuki]

Dave Hansen wrote:
> > That sort of surprise is totally unacceptable but the behaviour of 
> > kernelcore needs to be consistent on both the x86 and the ppc (any any 
> > other ar. How about;
> >
> > 1. kernelcore=X determines the total amount of memory for !ZONE_EASYRCLM
> >     (be it ZONE_DMA, ZONE_NORMAL or ZONE_HIGHMEM)
>
> Sounds reasonable.  But, if you're going to do that, should we just make
> it the opposite and explicitly be easy_reclaim_mem=?  Do we want the
> limit to be set as "I need this much kernel memory", or "I want this
> much removable memory".  I dunno.

Now, amount of EASYRCLM memory can change in run time, but kernelcore memory
cannot. So, I like kernelcore= option. I think this is clear setting for admin.

-- Kame

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