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

KAMEZAWA Hiroyuki
2006-02-24T00:15:20Z

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