| /* internal.h: mm/ internal definitions |
| * |
| * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| static inline void set_page_refs(struct page *page, int order) |
| { |
| #ifdef CONFIG_MMU |
| set_page_count(page, 1); |
| #else |
| int i; |
| |
| /* |
| * We need to reference all the pages for this order, otherwise if |
| * anyone accesses one of the pages with (get/put) it will be freed. |
| * - eg: access_process_vm() |
| */ |
| for (i = 0; i < (1 << order); i++) |
| set_page_count(page + i, 1); |
| #endif /* CONFIG_MMU */ |
| } |
| |
| extern void fastcall __init __free_pages_bootmem(struct page *page, |
| unsigned int order); |