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Move vmalloc_to_page() to mm/vmalloc.

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We already have page table manipulation for vmalloc in vmalloc.c. Move the
vmalloc_to_page() function there as well.

Move the definitions for vmalloc related functions in mm.h to a newly created
section.  A better place would be vmalloc.h but mm.h is basic and may depend
on these functions.  An alternative would be to include vmalloc.h in mm.h
(like done for vmstat.h).

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Lameter
2008-02-04 22:28:31 -08:00
committed by Linus Torvalds
parent eebd2aa355
commit 48667e7a43
3 changed files with 42 additions and 42 deletions
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6
include/linux/mm.h
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@ -231,6 +231,10 @@ static inline int get_page_unless_zero(struct page *page)
return atomic_inc_not_zero(&page->_count);
}
/* Support for virtually mapped pages */
struct page *vmalloc_to_page(void *addr);
unsigned long vmalloc_to_pfn(void *addr);
static inline struct page *compound_head(struct page *page)
{
if (unlikely(PageTail(page)))
@ -1089,8 +1093,6 @@ static inline unsigned long vma_pages(struct vm_area_struct *vma)
pgprot_t vm_get_page_prot(unsigned long vm_flags);
struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);
struct page *vmalloc_to_page(void *addr);
unsigned long vmalloc_to_pfn(void *addr);
int remap_pfn_range(struct vm_area_struct *, unsigned long addr,
unsigned long pfn, unsigned long size, pgprot_t);
int vm_insert_page(struct vm_area_struct *, unsigned long addr, struct page *);