| // SPDX-License-Identifier: GPL-2.0-only | |
| /* identifiers for device / performance-differentiated memory regions */ | |
| #include <linux/idr.h> | |
| #include <linux/types.h> | |
| static DEFINE_IDA(memregion_ids); | |
| int memregion_alloc(gfp_t gfp) | |
| { | |
| return ida_alloc(&memregion_ids, gfp); | |
| } | |
| EXPORT_SYMBOL(memregion_alloc); | |
| void memregion_free(int id) | |
| { | |
| ida_free(&memregion_ids, id); | |
| } | |
| EXPORT_SYMBOL(memregion_free); |