5be9934328
There are multiple similar definitions for arch_clear_hugepage_flags() on various platforms. Lets just add it's generic fallback definition for platforms that do not override. This help reduce code duplication. Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Link: http://lkml.kernel.org/r/1588907271-11920-4-git-send-email-anshuman.khandual@arm.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* arch/arm64/include/asm/hugetlb.h
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*
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* Copyright (C) 2013 Linaro Ltd.
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*
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* Based on arch/x86/include/asm/hugetlb.h
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*/
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#ifndef __ASM_HUGETLB_H
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#define __ASM_HUGETLB_H
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#include <asm/page.h>
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#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
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#define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
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extern bool arch_hugetlb_migration_supported(struct hstate *h);
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#endif
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static inline void arch_clear_hugepage_flags(struct page *page)
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{
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clear_bit(PG_dcache_clean, &page->flags);
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}
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#define arch_clear_hugepage_flags arch_clear_hugepage_flags
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extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
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struct page *page, int writable);
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#define arch_make_huge_pte arch_make_huge_pte
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#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
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extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
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pte_t *ptep, pte_t pte);
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#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
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extern 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_AND_CLEAR
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extern 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_SET_WRPROTECT
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extern 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_CLEAR_FLUSH
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extern void 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_PTE_CLEAR
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extern 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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extern void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
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pte_t *ptep, pte_t pte, unsigned long sz);
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#define set_huge_swap_pte_at set_huge_swap_pte_at
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#include <asm-generic/hugetlb.h>
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#endif /* __ASM_HUGETLB_H */
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