155 typedef struct page {  struct
156 	struct list_head list;		/* ->mapping has some page lists. */  argument
159 	struct page *next_hash;		/* Next page sharing our hash bucket in  argument
166 	struct page **pprev_hash;	/* Complement to *next_hash. */  argument
177 	 * WANT_PAGE_VIRTUAL in asm/page.h  argument
186  * Methods to modify the page usage count.  argument
203 static inline struct page *nth_page(struct page *page, int n)  in nth_page()
311 #define arch_set_page_uptodate(page)  argument
315 #define UnlockPage(page)	unlock_page(page)  argument
316 #define Page_Uptodate(page)	test_bit(PG_uptodate, &(page)->flags)  argument
318 #define SetPageUptodate(page)	set_bit(PG_uptodate, &(page)->flags)  argument
320 #define ClearPageUptodate(page)	clear_bit(PG_uptodate, &(page)->flags)  argument
321 #define PageDirty(page)		test_bit(PG_dirty, &(page)->flags)  argument
322 #define SetPageDirty(page)	set_bit(PG_dirty, &(page)->flags)  argument
323 #define ClearPageDirty(page)	clear_bit(PG_dirty, &(page)->flags)  argument
324 #define PageLocked(page)	test_bit(PG_locked, &(page)->flags)  argument
325 #define LockPage(page)		set_bit(PG_locked, &(page)->flags)  argument
326 #define TryLockPage(page)	test_and_set_bit(PG_locked, &(page)->flags)  argument
327 #define PageChecked(page)	test_bit(PG_checked, &(page)->flags)  argument
328 #define SetPageChecked(page)	set_bit(PG_checked, &(page)->flags)  argument
329 #define ClearPageChecked(page)	clear_bit(PG_checked, &(page)->flags)  argument
330 #define PageLaunder(page)	test_bit(PG_launder, &(page)->flags)  argument
331 #define SetPageLaunder(page)	set_bit(PG_launder, &(page)->flags)  argument
332 #define ClearPageLaunder(page)	clear_bit(PG_launder, &(page)->flags)  argument
333 #define ClearPageArch1(page)	clear_bit(PG_arch_1, &(page)->flags)  argument
345 static inline zone_t *page_zone(struct page *page)  in page_zone()
350 static inline void set_page_zone(struct page *page, unsigned long zone_num)  in set_page_zone()
364 #define set_page_address(page, address)			\  argument
370 #define set_page_address(page, address)  do { } while(0)  argument
379 #define page_address(page) ((page)->virtual)  argument
383 #define page_address(page)						\  argument
397 #define PageError(page)		test_bit(PG_error, &(page)->flags)  argument
398 #define SetPageError(page)	set_bit(PG_error, &(page)->flags)  argument
399 #define ClearPageError(page)	clear_bit(PG_error, &(page)->flags)  argument
400 #define PageReferenced(page)	test_bit(PG_referenced, &(page)->flags)  argument
401 #define SetPageReferenced(page)	set_bit(PG_referenced, &(page)->flags)  argument
402 #define ClearPageReferenced(page)	clear_bit(PG_referenced, &(page)->flags)  argument
403 #define PageTestandClearReferenced(page)	test_and_clear_bit(PG_referenced, &(page)->flags)  argument
404 #define PageSlab(page)		test_bit(PG_slab, &(page)->flags)  argument
405 #define PageSetSlab(page)	set_bit(PG_slab, &(page)->flags)  argument
406 #define PageClearSlab(page)	clear_bit(PG_slab, &(page)->flags)  argument
407 #define PageReserved(page)	test_bit(PG_reserved, &(page)->flags)  argument
409 #define PageActive(page)	test_bit(PG_active, &(page)->flags)  argument
410 #define SetPageActive(page)	set_bit(PG_active, &(page)->flags)  argument
411 #define ClearPageActive(page)	clear_bit(PG_active, &(page)->flags)  argument
413 #define PageLRU(page)		test_bit(PG_lru, &(page)->flags)  argument
414 #define TestSetPageLRU(page)	test_and_set_bit(PG_lru, &(page)->flags)  argument
415 #define TestClearPageLRU(page)	test_and_clear_bit(PG_lru, &(page)->flags)  argument
418 #define PageHighMem(page)		test_bit(PG_highmem, &(page)->flags)  argument
420 #define PageHighMem(page)		0 /* needed to optimize away at compile time */  argument
423 #define SetPageReserved(page)		set_bit(PG_reserved, &(page)->flags)  argument
424 #define ClearPageReserved(page)		clear_bit(PG_reserved, &(page)->flags)  argument
477 #define __free_page(page) __free_pages((page), 0)  argument
537 #define PageSwapCache(page) ((page)->mapping == &swapper_space)  argument
539 static inline int is_page_cache_freeable(struct page * page)  in is_page_cache_freeable()