Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
6static DEFINE_IDA(memregion_ids);
7
8int memregion_alloc(gfp_t gfp)
9{
10 return ida_alloc(&memregion_ids, gfp);
11}
12EXPORT_SYMBOL(memregion_alloc);
13
14void memregion_free(int id)
15{
16 ida_free(&memregion_ids, id);
17}
18EXPORT_SYMBOL(memregion_free);