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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6fb12766f7
The sh implementation pte_alloc_one(), pte_alloc_one_kernel(), pte_free_kernel() and pte_free() is identical to the generic except of lack of __GFP_ACCOUNT for the user PTEs allocation. Switch sh to use generic version of these functions. Link: http://lkml.kernel.org/r/1565250728-21721-4-git-send-email-rppt@linux.ibm.com Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SH_PGALLOC_H
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#define __ASM_SH_PGALLOC_H
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#include <asm/page.h>
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#include <asm-generic/pgalloc.h>
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extern pgd_t *pgd_alloc(struct mm_struct *);
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extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
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#if PAGETABLE_LEVELS > 2
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extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
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extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
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extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);
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#endif
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static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
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pte_t *pte)
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{
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set_pmd(pmd, __pmd((unsigned long)pte));
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}
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static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
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pgtable_t pte)
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{
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set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
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}
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#define pmd_pgtable(pmd) pmd_page(pmd)
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#define __pte_free_tlb(tlb,pte,addr) \
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do { \
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pgtable_page_dtor(pte); \
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tlb_remove_page((tlb), (pte)); \
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} while (0)
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#if CONFIG_PGTABLE_LEVELS > 2
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#define __pmd_free_tlb(tlb, pmdp, addr) \
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do { \
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struct page *page = virt_to_page(pmdp); \
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pgtable_pmd_page_dtor(page); \
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tlb_remove_page((tlb), page); \
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} while (0);
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#endif
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#endif /* __ASM_SH_PGALLOC_H */
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