VIRT_TO_PHYS(9) Public Functions Provided VIRT_TO_PHYS(9) NAME virt_to_phys - map virtual addresses to physical SYNOPSIS phys_addr_t virt_to_phys(volatile void * address); ARGUMENTS address address to remap DESCRIPTION The returned physical address is the physical (CPU) mapping for the memory address given. It is only valid to use this function on addresses directly mapped or allocated via kmalloc. This function does not give bus mappings for DMA transfers. In almost all conceivable cases a device driver should not be using this function AUTHORS Matthew Wilcox <matthew@wil.cx> Author. Alan Cox <alan@lxorguk.ukuu.org.uk> Author. COPYRIGHT Kernel Hackers Manual 3.8. June 2014 VIRT_TO_PHYS(9)[top]
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