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Re: [Xen-devel] [PATCH 05/13] xen: simplify xen_set_identity_and_remap() by using global variables

On 18/02/2015 06:51, Juergen Gross wrote:
xen_set_identity_and_remap() is used to prepare remapping of memory
conflicting with the E820 map. It is tracking the pfn where to remap
new memory via a local variable which is passed to a subfunction
which in turn returns the new value for that variable.

Additionally the targeted maximum pfn is passed as a parameter to
sub functions.

Simplify that construct by using just global variables in the
source for that purpose. This will make things simpler when we need
those values later, too.

I'm not convinced this actually simplifies anything.


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