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/* 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); |