cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

hugetlb.h (1997B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * arch/arm64/include/asm/hugetlb.h
      4 *
      5 * Copyright (C) 2013 Linaro Ltd.
      6 *
      7 * Based on arch/x86/include/asm/hugetlb.h
      8 */
      9
     10#ifndef __ASM_HUGETLB_H
     11#define __ASM_HUGETLB_H
     12
     13#include <asm/page.h>
     14
     15#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
     16#define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
     17extern bool arch_hugetlb_migration_supported(struct hstate *h);
     18#endif
     19
     20static inline void arch_clear_hugepage_flags(struct page *page)
     21{
     22	clear_bit(PG_dcache_clean, &page->flags);
     23}
     24#define arch_clear_hugepage_flags arch_clear_hugepage_flags
     25
     26pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags);
     27#define arch_make_huge_pte arch_make_huge_pte
     28#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
     29extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
     30			    pte_t *ptep, pte_t pte);
     31#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
     32extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
     33				      unsigned long addr, pte_t *ptep,
     34				      pte_t pte, int dirty);
     35#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
     36extern pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
     37				     unsigned long addr, pte_t *ptep);
     38#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
     39extern void huge_ptep_set_wrprotect(struct mm_struct *mm,
     40				    unsigned long addr, pte_t *ptep);
     41#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
     42extern pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
     43				   unsigned long addr, pte_t *ptep);
     44#define __HAVE_ARCH_HUGE_PTE_CLEAR
     45extern void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
     46			   pte_t *ptep, unsigned long sz);
     47#define __HAVE_ARCH_HUGE_PTEP_GET
     48extern pte_t huge_ptep_get(pte_t *ptep);
     49extern void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
     50				 pte_t *ptep, pte_t pte, unsigned long sz);
     51#define set_huge_swap_pte_at set_huge_swap_pte_at
     52
     53void __init arm64_hugetlb_cma_reserve(void);
     54
     55#include <asm-generic/hugetlb.h>
     56
     57#endif /* __ASM_HUGETLB_H */