This cannot be granted. No process can start.
The allocation would leave:
| Available: | ||||||
| R1 | R2 | R3 | ||||
| 0 | 1 | 2 | ||||
This cannot satisfy any process' claim. After the grant, the allocation is:
| Allocation matrix: | ||||||
| R1 | R2 | R3 | ||||
| P1 | 1 | 0 | 1 | |||
| P2 | 2 | 0 | 1 | |||
| P3 | 1 | 1 | 1 | |||
| Banker's Problem III |