linux/mm/compaction.c

214 /* Returns true if the pageblock should be scanned for pages to isolate. */
580  * Isolate free pages onto a private freelist. If @strict is true, will abort
604 	/* Isolate free pages. */  in isolate_freepages_block()
708  * isolate_freepages_range() - isolate free pages.
768 		 * If we managed to isolate pages, it is always (1 << n) *  in isolate_freepages_range()
803 	 * Allow GFP_NOFS to isolate past the limit set for regular  in too_many_isolated()
821  * isolate_migratepages_block() - isolate all migrate-able pages within
824  * @low_pfn:	The first PFN to isolate
825  * @end_pfn:	The one-past-the-last PFN to isolate, within same pageblock
828  * Isolate all pages that can be migrated from the range specified by
884 	/* Time to isolate some pages for migration */  in isolate_migratepages_block()
898 			 * We failed to isolate in the previous order-aligned  in isolate_migratepages_block()
1089 		 * ISOLATE_ASYNC_MIGRATE that it only wants to isolate pages  in isolate_migratepages_block()
1119 		/* Try isolate the folio */  in isolate_migratepages_block()
1181 		 * or a lock is contended. For contention, isolate quickly to  in isolate_migratepages_block()
1277  * isolate_migratepages_range() - isolate migrate-able pages in a PFN range
1564 		/* Isolate the page if available */  in fast_isolate_freepages()
1636  * suitable for isolating free pages from and then isolate them.
1673 	 * Isolate free pages until enough are available to migrate the  in isolate_freepages()
1963  * Isolate all pages that can be migrated from the first suitable block,
2285 	 * isolate free pages for migration targets. This means that the  in __compaction_suitable()
2539 			 * future. This will isolate more pages than necessary  in compact_zone()