swh:1:snp:173f8deb0c56c557784b4fd217e7608ac6197844
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Tip revision: 3cea11cd5e3b00d91caf0b4730194039b45c5891 authored by Linus Torvalds on 01 November 2020, 22:43:51 UTC
Linux 5.10-rc2
Tip revision: 3cea11c
memregion.c
// SPDX-License-Identifier: GPL-2.0-only
/* identifiers for device / performance-differentiated memory regions */
#include <linux/idr.h>
#include <linux/types.h>
#include <linux/memregion.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);
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