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>
This commit is contained in:
Harvey Harrison 2008-10-18 20:27:06 -07:00 committed by Linus Torvalds
parent db64fe0225
commit 2a4b3ded5c

View file

@ -262,7 +262,7 @@ struct resv_map {
struct list_head regions; struct list_head regions;
}; };
struct resv_map *resv_map_alloc(void) static struct resv_map *resv_map_alloc(void)
{ {
struct resv_map *resv_map = kmalloc(sizeof(*resv_map), GFP_KERNEL); struct resv_map *resv_map = kmalloc(sizeof(*resv_map), GFP_KERNEL);
if (!resv_map) if (!resv_map)
@ -274,7 +274,7 @@ struct resv_map *resv_map_alloc(void)
return resv_map; return resv_map;
} }
void resv_map_release(struct kref *ref) static void resv_map_release(struct kref *ref)
{ {
struct resv_map *resv_map = container_of(ref, struct resv_map, refs); struct resv_map *resv_map = container_of(ref, struct resv_map, refs);
@ -289,7 +289,7 @@ static struct resv_map *vma_resv_map(struct vm_area_struct *vma)
if (!(vma->vm_flags & VM_SHARED)) if (!(vma->vm_flags & VM_SHARED))
return (struct resv_map *)(get_vma_private_data(vma) & return (struct resv_map *)(get_vma_private_data(vma) &
~HPAGE_RESV_MASK); ~HPAGE_RESV_MASK);
return 0; return NULL;
} }
static void set_vma_resv_map(struct vm_area_struct *vma, struct resv_map *map) static void set_vma_resv_map(struct vm_area_struct *vma, struct resv_map *map)
@ -1747,10 +1747,8 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
* from other VMAs and let the children be SIGKILLed if they are faulting the * from other VMAs and let the children be SIGKILLed if they are faulting the
* same region. * same region.
*/ */
int unmap_ref_private(struct mm_struct *mm, static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
struct vm_area_struct *vma, struct page *page, unsigned long address)
struct page *page,
unsigned long address)
{ {
struct vm_area_struct *iter_vma; struct vm_area_struct *iter_vma;
struct address_space *mapping; struct address_space *mapping;