cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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memregion.c (429B)

      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);