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 Signed-off-by: Andi Kleen Signed-off-by: Nick Piggin --- mm/internal.h | 2 ++ mm/page_alloc.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) Index: linux-2.6/mm/internal.h =================================================================== --- linux-2.6.orig/mm/internal.h 2008-06-04 20:47:34.000000000 +1000 +++ linux-2.6/mm/internal.h 2008-06-04 20:51:21.000000000 +1000 @@ -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); Index: linux-2.6/mm/page_alloc.c =================================================================== --- linux-2.6.orig/mm/page_alloc.c 2008-06-04 20:47:34.000000000 +1000 +++ linux-2.6/mm/page_alloc.c 2008-06-04 20:51:21.000000000 +1000 @@ -288,7 +288,7 @@ static void free_compound_page(struct pa __free_pages_ok(page, compound_order(page)); } -static void prep_compound_page(struct page *page, unsigned long order) +void prep_compound_page(struct page *page, unsigned long order) { int i; int nr_pages = 1 << order; -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org