Re: [PATCH V2 1/2] xen/granttable: Support sub-page grants

[annie li]

Hi Paul,

> > > #define get_free_entry()	get_free_entries(1)
Is this necessary? Maybe you defined this to keep consistence with 
put_free_entry(ref)?
But other functions such as gnttab_grant_foreign_transfer and 
gnttab_grant_foreign_access all call get_free_entries(1). Maybe it is 
better to keep initial get_free_entries(1) code?

Thanks
Annie
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