summaryrefslogtreecommitdiffstats
path: root/lib/memregion.c
blob: 77c85b5251da57a18576b3c0ba96eaf39c0dcc99 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
// 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);