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.