[merged] include-linux-huge_mmh-remove-extern-keyword.patch removed from -mm tree

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The patch titled
     Subject: include/linux/huge_mm.h: remove extern keyword
has been removed from the -mm tree.  Its filename was
     include-linux-huge_mmh-remove-extern-keyword.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Ralph Campbell <rcampbell@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Signed-off-by: Ralph Campbell <rcampbell@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/huge_mm.h |   93 ++++++++++++++++----------------------
 1 file changed, 41 insertions(+), 52 deletions(-)

--- a/include/linux/huge_mm.h~include-linux-huge_mmh-remove-extern-keyword
+++ a/include/linux/huge_mm.h
@@ -7,43 +7,37 @@
 
 #include <linux/fs.h> /* only for vma_is_dax() */
 
-extern 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,
-			 pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr,
-			 struct vm_area_struct *vma);
-extern 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,
-			 pud_t *dst_pud, pud_t *src_pud, unsigned long addr,
-			 struct vm_area_struct *vma);
+vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf);
+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,
+		  struct vm_area_struct *vma);
+void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd);
+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,
+		  struct vm_area_struct *vma);
 
 #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
 static inline void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud)
 {
 }
 #endif
 
-extern 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,
-					  unsigned long addr,
-					  pmd_t *pmd,
-					  unsigned int flags);
-extern bool madvise_free_huge_pmd(struct mmu_gather *tlb,
-			struct vm_area_struct *vma,
-			pmd_t *pmd, unsigned long addr, unsigned long next);
-extern int zap_huge_pmd(struct mmu_gather *tlb,
-			struct vm_area_struct *vma,
-			pmd_t *pmd, unsigned long addr);
-extern int zap_huge_pud(struct mmu_gather *tlb,
-			struct vm_area_struct *vma,
-			pud_t *pud, unsigned long addr);
-extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
-			 unsigned long new_addr,
-			 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 do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd);
+struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
+				   unsigned long addr, pmd_t *pmd,
+				   unsigned int flags);
+bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
+			   pmd_t *pmd, unsigned long addr, unsigned long next);
+int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, pmd_t *pmd,
+		 unsigned long addr);
+int zap_huge_pud(struct mmu_gather *tlb, struct vm_area_struct *vma, pud_t *pud,
+		 unsigned long addr);
+bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
+		   unsigned long new_addr, pmd_t *old_pmd, pmd_t *new_pmd);
+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,
 				   pgprot_t pgprot, bool write);
 
@@ -100,13 +94,13 @@ enum transparent_hugepage_flag {
 struct kobject;
 struct kobj_attribute;
 
-extern ssize_t single_hugepage_flag_store(struct kobject *kobj,
-				 struct kobj_attribute *attr,
-				 const char *buf, size_t count,
-				 enum transparent_hugepage_flag flag);
-extern ssize_t single_hugepage_flag_show(struct kobject *kobj,
-				struct kobj_attribute *attr, char *buf,
-				enum transparent_hugepage_flag flag);
+ssize_t single_hugepage_flag_store(struct kobject *kobj,
+				   struct kobj_attribute *attr,
+				   const char *buf, size_t count,
+				   enum transparent_hugepage_flag flag);
+ssize_t single_hugepage_flag_show(struct kobject *kobj,
+				  struct kobj_attribute *attr, char *buf,
+				  enum transparent_hugepage_flag flag);
 extern struct kobj_attribute shmem_enabled_attr;
 
 #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
@@ -179,12 +173,11 @@ static inline bool transhuge_vma_suitabl
 	(transparent_hugepage_flags &					\
 	 (1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG))
 
-extern unsigned long thp_get_unmapped_area(struct file *filp,
-		unsigned long addr, unsigned long len, unsigned long pgoff,
-		unsigned long flags);
+unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr,
+		unsigned long len, unsigned long pgoff, unsigned long flags);
 
-extern void prep_transhuge_page(struct page *page);
-extern void free_transhuge_page(struct page *page);
+void prep_transhuge_page(struct page *page);
+void free_transhuge_page(struct page *page);
 bool is_transparent_hugepage(struct page *page);
 
 bool can_split_huge_page(struct page *page, int *pextra_pins);
@@ -222,16 +215,12 @@ void __split_huge_pud(struct vm_area_str
 			__split_huge_pud(__vma, __pud, __address);	\
 	}  while (0)
 
-extern int hugepage_madvise(struct vm_area_struct *vma,
-			    unsigned long *vm_flags, int advice);
-extern void vma_adjust_trans_huge(struct vm_area_struct *vma,
-				    unsigned long start,
-				    unsigned long end,
-				    long adjust_next);
-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);
+int hugepage_madvise(struct vm_area_struct *vma, unsigned long *vm_flags,
+		     int advice);
+void vma_adjust_trans_huge(struct vm_area_struct *vma, unsigned long start,
+			   unsigned long end, long adjust_next);
+spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma);
+spinlock_t *__pud_trans_huge_lock(pud_t *pud, struct vm_area_struct *vma);
 
 static inline int is_swap_pmd(pmd_t pmd)
 {
@@ -294,7 +283,7 @@ struct page *follow_devmap_pmd(struct vm
 struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr,
 		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;
 
_

Patches currently in -mm which might be from rcampbell@xxxxxxxxxx are





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