[Xen-devel] Advice on HIGHMEM

[Nicholas Lee <nic-lists@xxxxxxxxxxxxxx>]

Given that dom0 is itself doesn't managed the memory directly that you
only need to compile HIGHMEM4G into the dom0 or domU kernels if you
intend to use more than 1G in one domX instances.

ie. Even if you have more than 1Gb of total physical memory, if none of
the domX use more than 1Gb of memory, there is no need to compile in
HIGHMEM4G.

Or, does dom0 need to be compiled with this in order for the Xen
hypervisor to manage this memory level effectively.

Nicholas


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