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/* internal.h: mm/ internal definitions
* Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (
* 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.
#ifndef __MM_INTERNAL_H
#define __MM_INTERNAL_H
#include <linux/mm.h>
static inline void set_page_count(struct page *page, int v)
atomic_set(&page->_count, v);
* Turn a non-refcounted page (->_count == 0) into refcounted with
* a count of one.
static inline void set_page_refcounted(struct page *page)
BUG_ON(PageCompound(page) && page_private(page) != (unsigned long)page);
set_page_count(page, 1);
static inline void __put_page(struct page *page)
extern void fastcall __init __free_pages_bootmem(struct page *page,
unsigned int order);