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PHYS_TO_VIRT(9) Public Functions Provided PHYS_TO_VIRT(9)

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@wil.cx>
Author.

Alan Cox <alan@lxorguk.ukuu.org.uk>

Author.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.