diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 73ba4046ed272e..5eecb514ccea00 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -670,10 +670,10 @@ retry: * list. The direct migration patchset * extends this function to avoid the use of swap. */ -int migrate_pages(struct list_head *l, struct list_head *t) +int migrate_pages(struct list_head *from, struct list_head *to, + struct list_head *moved, struct list_head *failed) { int retry; - LIST_HEAD(failed); int nr_failed = 0; int pass = 0; struct page *page; @@ -686,12 +686,12 @@ int migrate_pages(struct list_head *l, struct list_head *t) redo: retry = 0; - list_for_each_entry_safe(page, page2, l, lru) { + list_for_each_entry_safe(page, page2, from, lru) { cond_resched(); if (page_count(page) == 1) { /* page was freed from under us. So we are done. */ - move_to_lru(page); + list_move(&page->lru, moved); continue; } /* @@ -722,7 +722,7 @@ redo: if (PageAnon(page) && !PageSwapCache(page)) { if (!add_to_swap(page, GFP_KERNEL)) { unlock_page(page); - list_move(&page->lru, &failed); + list_move(&page->lru, failed); nr_failed++; continue; } @@ -732,8 +732,10 @@ redo: * Page is properly locked and writeback is complete. * Try to migrate the page. */ - if (!swap_page(page)) + if (!swap_page(page)) { + list_move(&page->lru, moved); continue; + } retry_later: retry++; } @@ -743,9 +745,6 @@ retry_later: if (!swapwrite) current->flags &= ~PF_SWAPWRITE; - if (!list_empty(&failed)) - list_splice(&failed, l); - return nr_failed + retry; } |