| Dan Williams | 33dd707 | 2019-11-06 17:43:31 -0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* identifiers for device / performance-differentiated memory regions */ | ||||
| 3 | #include <linux/idr.h> | ||||
| 4 | #include <linux/types.h> | ||||
| 5 | |||||
| 6 | static DEFINE_IDA(memregion_ids); | ||||
| 7 | |||||
| 8 | int memregion_alloc(gfp_t gfp) | ||||
| 9 | { | ||||
| 10 | return ida_alloc(&memregion_ids, gfp); | ||||
| 11 | } | ||||
| 12 | EXPORT_SYMBOL(memregion_alloc); | ||||
| 13 | |||||
| 14 | void memregion_free(int id) | ||||
| 15 | { | ||||
| 16 | ida_free(&memregion_ids, id); | ||||
| 17 | } | ||||
| 18 | EXPORT_SYMBOL(memregion_free); | ||||