cached_kernel_address 65 arch/mips/mm/dma-noncoherent.c return page_to_pfn(virt_to_page(cached_kernel_address(cpu_addr))); cached_kernel_address 114 include/linux/dma-noncoherent.h void *cached_kernel_address(void *addr); cached_kernel_address 201 kernel/dma/direct.c cpu_addr = cached_kernel_address(cpu_addr);