On 04/07/2016 10:21, Xiao Guangrong wrote: >> >> /* >> * In case the VMA has VM_MIXEDMAP set, whoever called >> remap_pfn_range >> * is also going to call e.g. unmap_mapping_range before the >> underlying >> * non-reserved pages are freed, which will then call our MMU >> notifier. >> * We still have to get a reference here to the page, because the >> callers >> * of *hva_to_pfn* and *gfn_to_pfn* ultimately end up doing a >> * kvm_release_pfn_clean on the returned pfn. If the pfn is >> * reserved, the kvm_get_pfn/kvm_release_pfn_clean pair will simply >> * do nothing. >> */ >> > > Excellent. I like it. :)
So is it Reviewed-by Guangrong? :) Paolo
