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[Xen-bugs] [Bug 651] kernel panic when set dom0 to value less than 1 to

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Subject: [Xen-bugs] [Bug 651] kernel panic when set dom0 to value less than 1 to 2 % of host mem
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Date: Tue, 30 May 2006 19:04:33 -0700
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------- Comment #2 from aravindh.puthiyaparambil@xxxxxxxxxx  2006-05-30 19:04 
Please view this discussion on xen-devel:

If there isn't a suitable static minimum which prevents OOM death on
most systems without also impacting the useful lower range of
ballooning on other systems then I think we'll have to wait for someone
to implement a more dynamic scheme (e.g., by hooking off the
OOM/low-memory paths, or by slowly allocating memory only when we can
see a reasonable amount of pages available on the free lists).

I'm rather doubtful that a really good static estimate can be derived,
since it depends so much on particular details of kernel memory usage.
Given the results of these experiments I'm tempted to remove the 2%
minimum that is already in the tree -- vendors can make their own patch
if they have a better idea of what works for their particular kernel

  -- Keir 

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