table of contents
| 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¶
| May 2024 | Kernel Hackers Manual 2.6. |