[Xen-devel] question about gmfn_to_mfn()

[tgh <tianguanhua@xxxxxxxxxx>]

hi
I read the code of balloon part,  I am  confused about  the meaning and 
function of " mfn = gmfn_to_mfn(d, gmfn);"
what is gmfn  and  and what is mfn?  and" #define gmfn_to_mfn(_d, 
gpfn)  mfn_x(sh_gfn_to_mfn(_d, gpfn))"
it seems that  gmfn and gpfn  is the same  or  what is the trick in it ?

I am confused about it

could you help me
Thanks in advance


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