| 434,9 → 434,13 |
|---|
| /** Allocate frame in particular zone |
| * |
| * Assume zone is locked |
| * Panics, if allocation is impossible. |
| * Panics if allocation is impossible. |
| * |
| * @param zone Zone to allocate from. |
| * @param order Allocate exactly 2^order frames. |
| * |
| * @return Frame index in zone |
| * |
| */ |
| static pfn_t zone_frame_alloc(zone_t *zone,__u8 order) |
| { |
| 891,11 → 895,13 |
|---|
| |
| /** Allocate power-of-two frames of physical memory. |
| * |
| * @param order Allocate exactly 2^order frames. |
| * @param flags Flags for host zone selection and address processing. |
| * @param order Allocate exactly 2^order frames. |
| * @param status Allocation status (FRAME_OK on success), unused if NULL. |
| * @param pzone Preferred zone |
| * |
| * @return Allocated frame. |
| * |
| */ |
| pfn_t frame_alloc_generic(__u8 order, int flags, int * status, int *pzone) |
| { |
| 906,10 → 912,12 |
|---|
| |
| loop: |
| ipl = interrupts_disable(); |
| |
| /* |
| * First, find suitable frame zone. |
| */ |
| zone = find_free_zone_lock(order,pzone); |
| |
| /* If no memory, reclaim some slab memory, |
| if it does not help, reclaim all */ |
| if (!zone && !(flags & FRAME_NO_RECLAIM)) { |
| 941,6 → 949,7 |
|---|
| panic("Sleep not implemented.\n"); |
| goto loop; |
| } |
| |
| v = zone_frame_alloc(zone,order); |
| v += zone->base; |
| |