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 | #include <linux/memregion.h> |
6 | |
7 | static DEFINE_IDA(memregion_ids); |
8 | |
9 | int memregion_alloc(gfp_t gfp) |
10 | { |
11 | return ida_alloc(ida: &memregion_ids, gfp); |
12 | } |
13 | EXPORT_SYMBOL(memregion_alloc); |
14 | |
15 | void memregion_free(int id) |
16 | { |
17 | ida_free(&memregion_ids, id); |
18 | } |
19 | EXPORT_SYMBOL(memregion_free); |
20 |