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include/linux/huge_mm.h: remove extern keyword

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[ Upstream commit ebfe1b8f6ea5d83d8c1aa18ddd8ede432a7414e7 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ralph Campbell
2020-12-14 19:11:58 -08:00
committed by Greg Kroah-Hartman
parent ebd6a295b5
commit 555dffa484
1 changed files with 41 additions and 52 deletions
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71
include/linux/huge_mm.h
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@@ -7,43 +7,37 @@
#include <linux/fs.h> /* only for vma_is_dax() */ #include <linux/fs.h> /* only for vma_is_dax() */
extern vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf); vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf);
extern int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,
pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr, pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr,
struct vm_area_struct *vma); struct vm_area_struct *vma);
extern void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd); void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd);
extern int copy_huge_pud(struct mm_struct *dst_mm, struct mm_struct *src_mm, int copy_huge_pud(struct mm_struct *dst_mm, struct mm_struct *src_mm,
pud_t *dst_pud, pud_t *src_pud, unsigned long addr, pud_t *dst_pud, pud_t *src_pud, unsigned long addr,
struct vm_area_struct *vma); struct vm_area_struct *vma);
#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
extern void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud); void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud);
#else #else
static inline void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud) static inline void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud)
{ {
} }
#endif #endif
extern vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd); vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd);
extern struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
unsigned long addr, unsigned long addr, pmd_t *pmd,
pmd_t *pmd,
unsigned int flags); unsigned int flags);
extern bool madvise_free_huge_pmd(struct mmu_gather *tlb, bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
struct vm_area_struct *vma,
pmd_t *pmd, unsigned long addr, unsigned long next); pmd_t *pmd, unsigned long addr, unsigned long next);
extern int zap_huge_pmd(struct mmu_gather *tlb, int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, pmd_t *pmd,
struct vm_area_struct *vma, unsigned long addr);
pmd_t *pmd, unsigned long addr); int zap_huge_pud(struct mmu_gather *tlb, struct vm_area_struct *vma, pud_t *pud,
extern int zap_huge_pud(struct mmu_gather *tlb, unsigned long addr);
struct vm_area_struct *vma, bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
pud_t *pud, unsigned long addr); unsigned long new_addr, pmd_t *old_pmd, pmd_t *new_pmd);
extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr,
unsigned long new_addr, pgprot_t newprot, unsigned long cp_flags);
pmd_t *old_pmd, pmd_t *new_pmd);
extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
unsigned long addr, pgprot_t newprot,
unsigned long cp_flags);
vm_fault_t vmf_insert_pfn_pmd_prot(struct vm_fault *vmf, pfn_t pfn, vm_fault_t vmf_insert_pfn_pmd_prot(struct vm_fault *vmf, pfn_t pfn,
pgprot_t pgprot, bool write); pgprot_t pgprot, bool write);
@@ -101,11 +95,11 @@ enum transparent_hugepage_flag {
struct kobject; struct kobject;
struct kobj_attribute; struct kobj_attribute;
extern ssize_t single_hugepage_flag_store(struct kobject *kobj, ssize_t single_hugepage_flag_store(struct kobject *kobj,
struct kobj_attribute *attr, struct kobj_attribute *attr,
const char *buf, size_t count, const char *buf, size_t count,
enum transparent_hugepage_flag flag); enum transparent_hugepage_flag flag);
extern ssize_t single_hugepage_flag_show(struct kobject *kobj, ssize_t single_hugepage_flag_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf, struct kobj_attribute *attr, char *buf,
enum transparent_hugepage_flag flag); enum transparent_hugepage_flag flag);
extern struct kobj_attribute shmem_enabled_attr; extern struct kobj_attribute shmem_enabled_attr;
@@ -187,12 +181,11 @@ bool transparent_hugepage_active(struct vm_area_struct *vma);
(transparent_hugepage_flags & \ (transparent_hugepage_flags & \
(1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG)) (1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG))
extern unsigned long thp_get_unmapped_area(struct file *filp, unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr,
unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long len, unsigned long pgoff, unsigned long flags);
unsigned long flags);
extern void prep_transhuge_page(struct page *page); void prep_transhuge_page(struct page *page);
extern void free_transhuge_page(struct page *page); void free_transhuge_page(struct page *page);
bool is_transparent_hugepage(struct page *page); bool is_transparent_hugepage(struct page *page);
bool can_split_huge_page(struct page *page, int *pextra_pins); bool can_split_huge_page(struct page *page, int *pextra_pins);
@@ -230,16 +223,12 @@ void __split_huge_pud(struct vm_area_struct *vma, pud_t *pud,
__split_huge_pud(__vma, __pud, __address); \ __split_huge_pud(__vma, __pud, __address); \
} while (0) } while (0)
extern int hugepage_madvise(struct vm_area_struct *vma, int hugepage_madvise(struct vm_area_struct *vma, unsigned long *vm_flags,
unsigned long *vm_flags, int advice); int advice);
extern void vma_adjust_trans_huge(struct vm_area_struct *vma, void vma_adjust_trans_huge(struct vm_area_struct *vma, unsigned long start,
unsigned long start, unsigned long end, long adjust_next);
unsigned long end, spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma);
long adjust_next); spinlock_t *__pud_trans_huge_lock(pud_t *pud, struct vm_area_struct *vma);
extern spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd,
struct vm_area_struct *vma);
extern spinlock_t *__pud_trans_huge_lock(pud_t *pud,
struct vm_area_struct *vma);
static inline int is_swap_pmd(pmd_t pmd) static inline int is_swap_pmd(pmd_t pmd)
{ {
@@ -302,7 +291,7 @@ struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr,
struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr,
pud_t *pud, int flags, struct dev_pagemap **pgmap); pud_t *pud, int flags, struct dev_pagemap **pgmap);
extern vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd); vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd);
extern struct page *huge_zero_page; extern struct page *huge_zero_page;
extern unsigned long huge_zero_pfn; extern unsigned long huge_zero_pfn;