linux-master/mm/memory-failure.c

902 	[MF_MSG_DIRTY_SWAPCACHE]	= "dirty swapcache page",
904 	[MF_MSG_DIRTY_MLOCKED_LRU]	= "dirty mlocked LRU page",
906 	[MF_MSG_DIRTY_UNEVICTABLE_LRU]	= "dirty unevictable LRU page",
908 	[MF_MSG_DIRTY_LRU]		= "dirty LRU page",
965 		 * This fails on dirty or anything with private pages
1101 		 * wrong with its dirty file data.
1138  * Clean and dirty swap cache.
1146  *      - clear dirty bit to prevent IO
1248 #define dirty		(1UL << PG_dirty)
1273 	{ sc|dirty,	sc|dirty,	MF_MSG_DIRTY_SWAPCACHE,	me_swapcache_dirty },
1274 	{ sc|dirty,	sc,		MF_MSG_CLEAN_SWAPCACHE,	me_swapcache_clean },
1276 	{ mlock|dirty,	mlock|dirty,	MF_MSG_DIRTY_MLOCKED_LRU,	me_pagecache_dirty },
1277 	{ mlock|dirty,	mlock,		MF_MSG_CLEAN_MLOCKED_LRU,	me_pagecache_clean },
1279 	{ unevict|dirty, unevict|dirty,	MF_MSG_DIRTY_UNEVICTABLE_LRU,	me_pagecache_dirty },
1280 	{ unevict|dirty, unevict,	MF_MSG_CLEAN_UNEVICTABLE_LRU,	me_pagecache_clean },
1282 	{ lru|dirty,	lru|dirty,	MF_MSG_DIRTY_LRU,	me_pagecache_dirty },
1283 	{ lru|dirty,	lru,		MF_MSG_CLEAN_LRU,	me_pagecache_clean },
1291 #undef dirty
1568  * the pages and send SIGBUS to the processes if the data was dirty.
1603 	 * Propagate the dirty bit from PTEs to struct page first, because we
1605 	 * XXX: the dirty test could be racy: set_page_dirty() may not always
1622 	 * mapped in dirty form.  This has to be done before try_to_unmap,
1658 	 * Now that the dirty bit has been propagated to the
1661 	 * was dirty or the process is not restartable,
2667  * If the page is a non-dirty unmapped page-cache page, it simply invalidates.
2704 		 * non dirty unmapped page cache pages.