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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sparsemem.h (682B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2012 ARM Ltd.
      4 */
      5#ifndef __ASM_SPARSEMEM_H
      6#define __ASM_SPARSEMEM_H
      7
      8#define MAX_PHYSMEM_BITS	CONFIG_ARM64_PA_BITS
      9
     10/*
     11 * Section size must be at least 512MB for 64K base
     12 * page size config. Otherwise it will be less than
     13 * (MAX_ORDER - 1) and the build process will fail.
     14 */
     15#ifdef CONFIG_ARM64_64K_PAGES
     16#define SECTION_SIZE_BITS 29
     17
     18#else
     19
     20/*
     21 * Section size must be at least 128MB for 4K base
     22 * page size config. Otherwise PMD based huge page
     23 * entries could not be created for vmemmap mappings.
     24 * 16K follows 4K for simplicity.
     25 */
     26#define SECTION_SIZE_BITS 27
     27#endif /* CONFIG_ARM64_64K_PAGES */
     28
     29#endif