phys_to_virt (9) - Linux Manuals

phys_to_virt: map physical address to virtual

Command to display phys_to_virt manual in Linux: $ man 9 phys_to_virt

NAME

phys_to_virt - map physical address to virtual

SYNOPSIS

void * phys_to_virt(phys_addr_t address);

ARGUMENTS

address

: address to remap

DESCRIPTION

The returned virtual address is a current CPU mapping for the memory address given. It is only valid to use this function on addresses that have a kernel mapping

This function does not handle bus mappings for DMA transfers. In almost all conceivable cases a device driver should not be using this function

AUTHORS

Matthew Wilcox <matthew [at] wil.cx>

: Author.

Alan Cox <alan [at] lxorguk.ukuu.org.uk>

: Author.