VIRT_TO_PHYS

Section: LINUX (9)
Updated: August 2005
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NAME

virt_to_phys - map virtual addresses to physical  

SYNOPSIS

unsigned long 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>, Alan Cox <alan@redhat.com>.


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
AUTHORS

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Time: 00:30:30 GMT, August 30, 2005