51718e25c5
All implementations that aren't no-ops just set a bit in the flags, and we want to use the folio flags rather than the page flags for that. Rename it to arch_clear_hugetlb_flags() while we're touching it so nobody thinks it's used for THP. [willy@infradead.org: fix arm64 build] Link: https://lkml.kernel.org/r/ZgQvNKGdlDkwhQEX@casper.infradead.org Link: https://lkml.kernel.org/r/20240326171045.410737-8-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_RISCV_HUGETLB_H
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#define _ASM_RISCV_HUGETLB_H
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#include <asm/cacheflush.h>
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#include <asm/page.h>
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static inline void arch_clear_hugetlb_flags(struct folio *folio)
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{
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clear_bit(PG_dcache_clean, &folio->flags);
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}
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#define arch_clear_hugetlb_flags arch_clear_hugetlb_flags
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#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
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bool arch_hugetlb_migration_supported(struct hstate *h);
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#define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
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#endif
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#ifdef CONFIG_RISCV_ISA_SVNAPOT
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#define __HAVE_ARCH_HUGE_PTE_CLEAR
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void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
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pte_t *ptep, unsigned long sz);
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#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
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void set_huge_pte_at(struct mm_struct *mm,
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unsigned long addr, pte_t *ptep, pte_t pte,
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unsigned long sz);
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#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
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pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
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unsigned long addr, pte_t *ptep);
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#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
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pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
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unsigned long addr, pte_t *ptep);
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#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT
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void huge_ptep_set_wrprotect(struct mm_struct *mm,
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unsigned long addr, pte_t *ptep);
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#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
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int huge_ptep_set_access_flags(struct vm_area_struct *vma,
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unsigned long addr, pte_t *ptep,
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pte_t pte, int dirty);
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#define __HAVE_ARCH_HUGE_PTEP_GET
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pte_t huge_ptep_get(pte_t *ptep);
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pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags);
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#define arch_make_huge_pte arch_make_huge_pte
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#endif /*CONFIG_RISCV_ISA_SVNAPOT*/
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#include <asm-generic/hugetlb.h>
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#endif /* _ASM_RISCV_HUGETLB_H */
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