.TH "mtrr_del_page" 9 "mtrr_del_page" "25 May 1998" "Kernel Hacker's Manual" LINUX
.SH NAME
mtrr_del_page \-  delete a memory type region
.SH SYNOPSIS
.B "int" mtrr_del_page
.BI "(int " reg ","
.BI "unsigned long " base ","
.BI "unsigned long " size ");"
.SH ARGUMENTS
.IP "reg" 12
 Register returned by mtrr_add
.IP "base" 12
 Physical base address
.IP "size" 12
 Size of region
.SH "DESCRIPTION"
If register is supplied then base and size are ignored. This is
how drivers should call it.

Releases an MTRR region. If the usage count drops to zero the 
register is freed and the region returns to default state.
On success the register is returned, on failure a negative error
code.