path: root/mm/internal.h
diff options
authorAndi Kleen <ak@suse.de>2008-07-23 21:27:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:17 -0700
commit01ad1c0827db5b3695c53e296dbb2c1da16a0911 (patch)
tree80c46c00832094f2413ad97b8e1953018a71cc68 /mm/internal.h
parentb54bbf7b81170f03597c17dd0b559e3006bc9868 (diff)
mm: export prep_compound_page to mm
hugetlb will need to get compound pages from bootmem to handle the case of them being greater than or equal to MAX_ORDER. Export the constructor function needed for this. Acked-by: Adam Litke <agl@us.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 858ad01864d..1f43f741697 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -16,6 +16,8 @@
void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
unsigned long floor, unsigned long ceiling);
+extern void prep_compound_page(struct page *page, unsigned long order);
static inline void set_page_count(struct page *page, int v)
atomic_set(&page->_count, v);