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include/linux/huge_mm.h: remove extern keyword
The external function definitions don't need the "extern" keyword. Remove them so future changes don't copy the function definition style. Link: https://lkml.kernel.org/r/20201106235135.32109-1-rcampbell@nvidia.com Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -7,43 +7,37 @@
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#include <linux/fs.h> /* only for vma_is_dax() */
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extern vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf);
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extern int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,
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pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr,
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struct vm_area_struct *vma);
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extern void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd);
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extern int copy_huge_pud(struct mm_struct *dst_mm, struct mm_struct *src_mm,
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pud_t *dst_pud, pud_t *src_pud, unsigned long addr,
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struct vm_area_struct *vma);
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vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf);
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int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,
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pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr,
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struct vm_area_struct *vma);
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void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd);
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int copy_huge_pud(struct mm_struct *dst_mm, struct mm_struct *src_mm,
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pud_t *dst_pud, pud_t *src_pud, unsigned long addr,
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struct vm_area_struct *vma);
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#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
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extern void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud);
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void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud);
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#else
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static inline void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud)
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{
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}
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#endif
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extern vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd);
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extern struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
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unsigned long addr,
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pmd_t *pmd,
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unsigned int flags);
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extern bool madvise_free_huge_pmd(struct mmu_gather *tlb,
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struct vm_area_struct *vma,
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pmd_t *pmd, unsigned long addr, unsigned long next);
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extern int zap_huge_pmd(struct mmu_gather *tlb,
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struct vm_area_struct *vma,
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pmd_t *pmd, unsigned long addr);
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extern int zap_huge_pud(struct mmu_gather *tlb,
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struct vm_area_struct *vma,
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pud_t *pud, unsigned long addr);
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extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
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unsigned long new_addr,
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pmd_t *old_pmd, pmd_t *new_pmd);
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extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
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unsigned long addr, pgprot_t newprot,
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unsigned long cp_flags);
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vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd);
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struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
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unsigned long addr, pmd_t *pmd,
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unsigned int flags);
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bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
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pmd_t *pmd, unsigned long addr, unsigned long next);
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int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, pmd_t *pmd,
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unsigned long addr);
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int zap_huge_pud(struct mmu_gather *tlb, struct vm_area_struct *vma, pud_t *pud,
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unsigned long addr);
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bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
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unsigned long new_addr, pmd_t *old_pmd, pmd_t *new_pmd);
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int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr,
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pgprot_t newprot, unsigned long cp_flags);
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vm_fault_t vmf_insert_pfn_pmd_prot(struct vm_fault *vmf, pfn_t pfn,
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pgprot_t pgprot, bool write);
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@ -100,13 +94,13 @@ enum transparent_hugepage_flag {
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struct kobject;
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struct kobj_attribute;
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extern ssize_t single_hugepage_flag_store(struct kobject *kobj,
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struct kobj_attribute *attr,
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const char *buf, size_t count,
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enum transparent_hugepage_flag flag);
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extern ssize_t single_hugepage_flag_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf,
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enum transparent_hugepage_flag flag);
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ssize_t single_hugepage_flag_store(struct kobject *kobj,
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struct kobj_attribute *attr,
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const char *buf, size_t count,
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enum transparent_hugepage_flag flag);
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ssize_t single_hugepage_flag_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf,
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enum transparent_hugepage_flag flag);
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extern struct kobj_attribute shmem_enabled_attr;
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#define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
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@ -179,12 +173,11 @@ static inline bool transhuge_vma_suitable(struct vm_area_struct *vma,
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(transparent_hugepage_flags & \
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(1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG))
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extern unsigned long thp_get_unmapped_area(struct file *filp,
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unsigned long addr, unsigned long len, unsigned long pgoff,
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unsigned long flags);
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unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr,
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unsigned long len, unsigned long pgoff, unsigned long flags);
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extern void prep_transhuge_page(struct page *page);
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extern void free_transhuge_page(struct page *page);
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void prep_transhuge_page(struct page *page);
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void free_transhuge_page(struct page *page);
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bool is_transparent_hugepage(struct page *page);
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bool can_split_huge_page(struct page *page, int *pextra_pins);
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@ -222,16 +215,12 @@ void __split_huge_pud(struct vm_area_struct *vma, pud_t *pud,
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__split_huge_pud(__vma, __pud, __address); \
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} while (0)
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extern int hugepage_madvise(struct vm_area_struct *vma,
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unsigned long *vm_flags, int advice);
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extern void vma_adjust_trans_huge(struct vm_area_struct *vma,
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unsigned long start,
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unsigned long end,
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long adjust_next);
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extern spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd,
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struct vm_area_struct *vma);
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extern spinlock_t *__pud_trans_huge_lock(pud_t *pud,
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struct vm_area_struct *vma);
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int hugepage_madvise(struct vm_area_struct *vma, unsigned long *vm_flags,
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int advice);
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void vma_adjust_trans_huge(struct vm_area_struct *vma, unsigned long start,
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unsigned long end, long adjust_next);
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spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma);
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spinlock_t *__pud_trans_huge_lock(pud_t *pud, struct vm_area_struct *vma);
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static inline int is_swap_pmd(pmd_t pmd)
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{
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@ -294,7 +283,7 @@ struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr,
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struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr,
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pud_t *pud, int flags, struct dev_pagemap **pgmap);
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extern vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd);
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vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd);
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extern struct page *huge_zero_page;
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