xref: /openbmc/linux/lib/memregion.c (revision dc6a81c3)
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);
19