diff options
Diffstat (limited to 'mm/rmap.c')
-rw-r--r-- | mm/rmap.c | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -335,6 +335,7 @@ static int page_referenced_anon(struct page *page, | |||
335 | /** | 335 | /** |
336 | * page_referenced_file - referenced check for object-based rmap | 336 | * page_referenced_file - referenced check for object-based rmap |
337 | * @page: the page we're checking references on. | 337 | * @page: the page we're checking references on. |
338 | * @mem_cont: target memory controller | ||
338 | * | 339 | * |
339 | * For an object-based mapped page, find all the places it is mapped and | 340 | * For an object-based mapped page, find all the places it is mapped and |
340 | * check/clear the referenced flag. This is done by following the page->mapping | 341 | * check/clear the referenced flag. This is done by following the page->mapping |
@@ -402,6 +403,7 @@ static int page_referenced_file(struct page *page, | |||
402 | * page_referenced - test if the page was referenced | 403 | * page_referenced - test if the page was referenced |
403 | * @page: the page to test | 404 | * @page: the page to test |
404 | * @is_locked: caller holds lock on the page | 405 | * @is_locked: caller holds lock on the page |
406 | * @mem_cont: target memory controller | ||
405 | * | 407 | * |
406 | * Quick test_and_clear_referenced for all mappings to a page, | 408 | * Quick test_and_clear_referenced for all mappings to a page, |
407 | * returns the number of ptes which referenced the page. | 409 | * returns the number of ptes which referenced the page. |
@@ -506,7 +508,7 @@ int page_mkclean(struct page *page) | |||
506 | EXPORT_SYMBOL_GPL(page_mkclean); | 508 | EXPORT_SYMBOL_GPL(page_mkclean); |
507 | 509 | ||
508 | /** | 510 | /** |
509 | * page_set_anon_rmap - setup new anonymous rmap | 511 | * __page_set_anon_rmap - setup new anonymous rmap |
510 | * @page: the page to add the mapping to | 512 | * @page: the page to add the mapping to |
511 | * @vma: the vm area in which the mapping is added | 513 | * @vma: the vm area in which the mapping is added |
512 | * @address: the user virtual address mapped | 514 | * @address: the user virtual address mapped |
@@ -530,7 +532,7 @@ static void __page_set_anon_rmap(struct page *page, | |||
530 | } | 532 | } |
531 | 533 | ||
532 | /** | 534 | /** |
533 | * page_set_anon_rmap - sanity check anonymous rmap addition | 535 | * __page_check_anon_rmap - sanity check anonymous rmap addition |
534 | * @page: the page to add the mapping to | 536 | * @page: the page to add the mapping to |
535 | * @vma: the vm area in which the mapping is added | 537 | * @vma: the vm area in which the mapping is added |
536 | * @address: the user virtual address mapped | 538 | * @address: the user virtual address mapped |
@@ -583,7 +585,7 @@ void page_add_anon_rmap(struct page *page, | |||
583 | } | 585 | } |
584 | } | 586 | } |
585 | 587 | ||
586 | /* | 588 | /** |
587 | * page_add_new_anon_rmap - add pte mapping to a new anonymous page | 589 | * page_add_new_anon_rmap - add pte mapping to a new anonymous page |
588 | * @page: the page to add the mapping to | 590 | * @page: the page to add the mapping to |
589 | * @vma: the vm area in which the mapping is added | 591 | * @vma: the vm area in which the mapping is added |
@@ -623,6 +625,8 @@ void page_add_file_rmap(struct page *page) | |||
623 | /** | 625 | /** |
624 | * page_dup_rmap - duplicate pte mapping to a page | 626 | * page_dup_rmap - duplicate pte mapping to a page |
625 | * @page: the page to add the mapping to | 627 | * @page: the page to add the mapping to |
628 | * @vma: the vm area being duplicated | ||
629 | * @address: the user virtual address mapped | ||
626 | * | 630 | * |
627 | * For copy_page_range only: minimal extract from page_add_file_rmap / | 631 | * For copy_page_range only: minimal extract from page_add_file_rmap / |
628 | * page_add_anon_rmap, avoiding unnecessary tests (already checked) so it's | 632 | * page_add_anon_rmap, avoiding unnecessary tests (already checked) so it's |
@@ -642,6 +646,7 @@ void page_dup_rmap(struct page *page, struct vm_area_struct *vma, unsigned long | |||
642 | /** | 646 | /** |
643 | * page_remove_rmap - take down pte mapping from a page | 647 | * page_remove_rmap - take down pte mapping from a page |
644 | * @page: page to remove mapping from | 648 | * @page: page to remove mapping from |
649 | * @vma: the vm area in which the mapping is removed | ||
645 | * | 650 | * |
646 | * The caller needs to hold the pte lock. | 651 | * The caller needs to hold the pte lock. |
647 | */ | 652 | */ |
@@ -890,6 +895,7 @@ static int try_to_unmap_anon(struct page *page, int migration) | |||
890 | /** | 895 | /** |
891 | * try_to_unmap_file - unmap file page using the object-based rmap method | 896 | * try_to_unmap_file - unmap file page using the object-based rmap method |
892 | * @page: the page to unmap | 897 | * @page: the page to unmap |
898 | * @migration: migration flag | ||
893 | * | 899 | * |
894 | * Find all the mappings of a page using the mapping pointer and the vma chains | 900 | * Find all the mappings of a page using the mapping pointer and the vma chains |
895 | * contained in the address_space struct it points to. | 901 | * contained in the address_space struct it points to. |
@@ -986,6 +992,7 @@ out: | |||
986 | /** | 992 | /** |
987 | * try_to_unmap - try to remove all page table mappings to a page | 993 | * try_to_unmap - try to remove all page table mappings to a page |
988 | * @page: the page to get unmapped | 994 | * @page: the page to get unmapped |
995 | * @migration: migration flag | ||
989 | * | 996 | * |
990 | * Tries to remove all the page table entries which are mapping this | 997 | * Tries to remove all the page table entries which are mapping this |
991 | * page, used in the pageout path. Caller must hold the page lock. | 998 | * page, used in the pageout path. Caller must hold the page lock. |