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vtop(9r)
NAME
vtop - General: Converts any virtual address to a physical address
SYNOPSIS
vm_offset_t vtop(
struct proc *proc_p,
vm_offset_t virt_addr );
ARGUMENTS
proc_p
Specifies a pointer to a proc structure. The vtop routine uses the
proc structure pointer to obtain the pmap.
virt_addr
Specifies the virtual address that vtop converts to a physical address.
DESCRIPTION
The vtop routine converts a specified virtual address to a physical
address.
CAUTIONS
The vtop routine panics and displays the following message on the console
terminal if the proc structure pointer you pass is NULL and the virtual
address is in user space:
vtop: user address passed with null proc pointer
RETURN VALUES
Upon successful completion, vtop returns the physical address associated
with the specified virtual address.
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Index for Section 9r |
|
 |
Alphabetical listing for V |
|
 |
Top of page |
|