mtrr_del(9) centos man page | unix.com

MTRR_DEL(9)							Hardware Interfaces						       MTRR_DEL(9)

NAME
       mtrr_del - delete a memory type region

SYNOPSIS
       int mtrr_del(int reg, unsigned long base, unsigned long size);

ARGUMENTS
       reg
	   Register returned by mtrr_add

       base
	   Physical base address

       size
	   Size of region

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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							       MTRR_DEL(9)