.TH L4_UNMAP 7 2009-11-02 "Codezero" "Codezero Programmer's Manual"
.SH NAME
.nf
.BR "l4_unmap" "- Removes virtual to physical address mappings."

.SH SYNOPSIS
.nf
.B #include <l4lib/arch/syscalls.h>
.B #include <l4lib/arch/syslib.h>

.BI "int l4_unmap(void " "*virtual" ", unsigned long " "npages" ", l4id_t " "tid" ")"
.SH DESCRIPTION
.BR l4_unmap()  " Removes virtual to physical address mappings from a thread's address space"

.RB "Removes a virtual to physical mapping for the thread identified by " "tid" ", startingfrom virtual address " "virtual" ", spanning " "npages" " number of pages."


.SH L4 Userspace Library Functions

.nf
/*
 * Unmaps the given virtual address from current address space
 * spanning npages number of pages. Returns negative value
 * if the address was already unmapped.
 */

.BI "static inline void *l4_unmap_helper(void " "*virt" ", int " "npages" ");"