LXR linux/lib/memregion.c

   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#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