PHYS_TO_VIRT

Section: Public Functions Provided (9)
Updated: February 2011
Index Return to Main Contents
 

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