From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen References: <20080317258.659191058@firstfloor.org> In-Reply-To: <20080317258.659191058@firstfloor.org> Subject: [PATCH] [9/18] Export prep_compound_page to the hugetlb allocator Message-Id: <20080317015823.025301B41E0@basil.firstfloor.org> Date: Mon, 17 Mar 2008 02:58:23 +0100 (CET) Sender: owner-linux-mm@kvack.org Return-Path: To: linux-kernel@vger.kernel.org, pj@sgi.com, linux-mm@kvack.org, nickpiggin@yahoo.com.au List-ID: hugetlb will need to get compound pages from bootmem to handle the case of them being larger than MAX_ORDER. Export the constructor function needed for this. Signed-off-by: Andi Kleen --- mm/internal.h | 2 ++ mm/page_alloc.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) Index: linux/mm/internal.h =================================================================== --- linux.orig/mm/internal.h +++ linux/mm/internal.h @@ -13,6 +13,8 @@ #include +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/mm/page_alloc.c =================================================================== --- linux.orig/mm/page_alloc.c +++ linux/mm/page_alloc.c @@ -272,7 +272,7 @@ 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