mm: hugetlb.c make functions static, use NULL rather than 0
mm/hugetlb.c:265:17: warning: symbol 'resv_map_alloc' was not declared. Should it be static? mm/hugetlb.c:277:6: warning: symbol 'resv_map_release' was not declared. Should it be static? mm/hugetlb.c:292:9: warning: Using plain integer as NULL pointer mm/hugetlb.c:1750:5: warning: symbol 'unmap_ref_private' was not declared. Should it be static? Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 5 additions and 7 deletions
12
mm/hugetlb.c
12
mm/hugetlb.c
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@ -262,7 +262,7 @@ struct resv_map {
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struct list_head regions;
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};
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struct resv_map *resv_map_alloc(void)
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static struct resv_map *resv_map_alloc(void)
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{
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struct resv_map *resv_map = kmalloc(sizeof(*resv_map), GFP_KERNEL);
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if (!resv_map)
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@ -274,7 +274,7 @@ struct resv_map *resv_map_alloc(void)
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return resv_map;
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}
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void resv_map_release(struct kref *ref)
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static void resv_map_release(struct kref *ref)
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{
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struct resv_map *resv_map = container_of(ref, struct resv_map, refs);
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@ -289,7 +289,7 @@ static struct resv_map *vma_resv_map(struct vm_area_struct *vma)
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if (!(vma->vm_flags & VM_SHARED))
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return (struct resv_map *)(get_vma_private_data(vma) &
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~HPAGE_RESV_MASK);
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return 0;
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return NULL;
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}
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static void set_vma_resv_map(struct vm_area_struct *vma, struct resv_map *map)
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@ -1747,10 +1747,8 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
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* from other VMAs and let the children be SIGKILLed if they are faulting the
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* same region.
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*/
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int unmap_ref_private(struct mm_struct *mm,
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struct vm_area_struct *vma,
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struct page *page,
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unsigned long address)
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static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
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struct page *page, unsigned long address)
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{
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struct vm_area_struct *iter_vma;
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struct address_space *mapping;
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