diff options
-rw-r--r-- | mm/huge_memory.c | 7 | ||||
-rw-r--r-- | mm/page_alloc.c | 2 |
2 files changed, 3 insertions, 6 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index ac5591d8622c..ba8fdc0b6e7f 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c | |||
@@ -483,11 +483,8 @@ pmd_t maybe_pmd_mkwrite(pmd_t pmd, struct vm_area_struct *vma) | |||
483 | 483 | ||
484 | static inline struct list_head *page_deferred_list(struct page *page) | 484 | static inline struct list_head *page_deferred_list(struct page *page) |
485 | { | 485 | { |
486 | /* | 486 | /* ->lru in the tail pages is occupied by compound_head. */ |
487 | * ->lru in the tail pages is occupied by compound_head. | 487 | return &page[2].deferred_list; |
488 | * Let's use ->mapping + ->index in the second tail page as list_head. | ||
489 | */ | ||
490 | return (struct list_head *)&page[2].mapping; | ||
491 | } | 488 | } |
492 | 489 | ||
493 | void prep_transhuge_page(struct page *page) | 490 | void prep_transhuge_page(struct page *page) |
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5afdf495c374..628fd3e24731 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c | |||
@@ -952,7 +952,7 @@ static int free_tail_pages_check(struct page *head_page, struct page *page) | |||
952 | case 2: | 952 | case 2: |
953 | /* | 953 | /* |
954 | * the second tail page: ->mapping is | 954 | * the second tail page: ->mapping is |
955 | * page_deferred_list().next -- ignore value. | 955 | * deferred_list.next -- ignore value. |
956 | */ | 956 | */ |
957 | break; | 957 | break; |
958 | default: | 958 | default: |