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xen-devel
[Xen-devel] Re: [PATCH][BALLOON] Fix minimum target
On 27 May 2006, at 06:18, Puthiyaparambil, Aravindh wrote:
We tried a few experiments with your 2% patch. We found that 2% is not
good enough. The magic numbers seem to be 3% for DomUs and 5% for Dom0.
Any idea why the difference in percentages?
The minimum should probably include a fixed-size base value, plus some
percentage of maximum possible memory size. The patch I applied does
not include the fixed-size base value as it isn't obvious what to set
it to.
The percentage you need (5%) for domain0 may appear bigger for a few
reasons:
* There's a bigger static allocation of memory in domain0, independent
of maximum memory size
* You allocate less initial memory to domain0, so the fixed-size
reserved memory is a bigger proprtion of total reserved memory.
What happens if you set the min to 16MB + 2% of max-mem?
-- Keir
If this patch is fine by you, could you please apply to both
xen-unstable and xen-3.0-testing?
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