ptr_page 190 arch/arm/include/asm/kvm_mmu.h struct page *ptr_page = virt_to_page(ptr); ptr_page 191 arch/arm/include/asm/kvm_mmu.h return page_count(ptr_page) == 1; ptr_page 141 arch/arm64/include/asm/kvm_mmu.h struct page *ptr_page = virt_to_page(ptr); ptr_page 142 arch/arm64/include/asm/kvm_mmu.h return page_count(ptr_page) == 1;