From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/riscv/include/asm/hugetlb.h | 51 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 arch/riscv/include/asm/hugetlb.h (limited to 'arch/riscv/include/asm/hugetlb.h') diff --git a/arch/riscv/include/asm/hugetlb.h b/arch/riscv/include/asm/hugetlb.h new file mode 100644 index 0000000000..4c5b0e9298 --- /dev/null +++ b/arch/riscv/include/asm/hugetlb.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_RISCV_HUGETLB_H +#define _ASM_RISCV_HUGETLB_H + +#include +#include + +static inline void arch_clear_hugepage_flags(struct page *page) +{ + clear_bit(PG_dcache_clean, &page->flags); +} +#define arch_clear_hugepage_flags arch_clear_hugepage_flags + +#ifdef CONFIG_RISCV_ISA_SVNAPOT +#define __HAVE_ARCH_HUGE_PTE_CLEAR +void huge_pte_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, unsigned long sz); + +#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT +void set_huge_pte_at(struct mm_struct *mm, + unsigned long addr, pte_t *ptep, pte_t pte, + unsigned long sz); + +#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR +pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep); + +#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH +pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep); + +#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT +void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep); + +#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS +int huge_ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t pte, int dirty); + +#define __HAVE_ARCH_HUGE_PTEP_GET +pte_t huge_ptep_get(pte_t *ptep); + +pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags); +#define arch_make_huge_pte arch_make_huge_pte + +#endif /*CONFIG_RISCV_ISA_SVNAPOT*/ + +#include + +#endif /* _ASM_RISCV_HUGETLB_H */ -- cgit v1.2.3