linux/mm/khugepaged.c

81  * default collapse hugepages if there is at least one pte mapped like
85  * Note that these are only respected if collapse was initiated by khugepaged.
246  * max_ptes_none controls if khugepaged should collapse hugepages over
652 		 * If collapse was initiated by khugepaged, check that there is  in __collapse_huge_page_isolate()
966  * Bring missing pages in from swap, to complete THP collapse.
1119 		 * that case.  Continuing to collapse causes inconsistency.  in collapse_huge_page()
1299 			 * Don't collapse the page if any of the small  in hpage_collapse_scan_pmd()
1361 		 * But such case is ephemeral we could always retry collapse  in hpage_collapse_scan_pmd()
1372 		 * If collapse was initiated by khugepaged, check that there is  in hpage_collapse_scan_pmd()
1451  * collapse_pte_mapped_thp - Try to collapse a pte-mapped THP for mm at
1454  * @mm: process address space where collapse happens
1455  * @addr: THP collapse address
1757  * collapse_file - collapse filemap/tmpfs/shmem pages into huge one.
1759  * @mm: process address space where collapse happens
1760  * @addr: virtual collapse start address
1761  * @file: file that collapse on
1762  * @start: collapse start address
1763  * @cc: collapse context and scratchpad
1981 		 * blocked until we unlock page after collapse/during rollback.  in collapse_file()
2021 	 * If collapse is successful, flush must be done now before copying.  in collapse_file()
2022 	 * If collapse is unsuccessful, does flush actually need to be done?  in collapse_file()
2158 	 * The collapse has succeeded, so free the old pages.  in collapse_file()
2682 	 * specified memory range. khugepaged likely won't be able to collapse  in madvise_collapse_errno()