On 24.05.2022 14:41, Juergen Gross wrote: > Instead of a virtual kernel address use a pointer of the associated > struct page as second parameter of gnttab_end_foreign_access(). > > Most users have that pointer available already and are creating the > virtual address from it, risking problems in case the memory is > located in highmem. > > gnttab_end_foreign_access() itself won't need to get the struct page > from the address again. > > Suggested-by: Jan Beulich <jbeulich@xxxxxxxx> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
