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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pgalloc.h (1107B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_SH_PGALLOC_H
      3#define __ASM_SH_PGALLOC_H
      4
      5#include <asm/page.h>
      6
      7#define __HAVE_ARCH_PMD_ALLOC_ONE
      8#define __HAVE_ARCH_PMD_FREE
      9#define __HAVE_ARCH_PGD_FREE
     10#include <asm-generic/pgalloc.h>
     11
     12extern pgd_t *pgd_alloc(struct mm_struct *);
     13extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
     14
     15#if PAGETABLE_LEVELS > 2
     16extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
     17extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
     18extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
     19#define __pmd_free_tlb(tlb, pmdp, addr)		pmd_free((tlb)->mm, (pmdp))
     20#endif
     21
     22static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
     23				       pte_t *pte)
     24{
     25	set_pmd(pmd, __pmd((unsigned long)pte));
     26}
     27
     28static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
     29				pgtable_t pte)
     30{
     31	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
     32}
     33
     34#define __pte_free_tlb(tlb,pte,addr)			\
     35do {							\
     36	pgtable_pte_page_dtor(pte);			\
     37	tlb_remove_page((tlb), (pte));			\
     38} while (0)
     39
     40#endif /* __ASM_SH_PGALLOC_H */