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1// SPDX-License-Identifier: GPL-2.0-only2/* identifiers for device / performance-differentiated memory regions */3#include <linux/idr.h>4#include <linux/types.h>5#include <linux/memregion.h>6 7static DEFINE_IDA(memregion_ids);8 9int memregion_alloc(gfp_t gfp)10{11 return ida_alloc(&memregion_ids, gfp);12}13EXPORT_SYMBOL(memregion_alloc);14 15void memregion_free(int id)16{17 ida_free(&memregion_ids, id);18}19EXPORT_SYMBOL(memregion_free);20