The patch titled Subject: mm/swapfile: use list_{prev,next}_entry() instead of open-coding has been removed from the -mm tree. Its filename was mm-swapfile-use-list_prevnext_entry-instead-of-open-coding.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: chenqiwu <chenqiwu@xxxxxxxxxx> Subject: mm/swapfile: use list_{prev,next}_entry() instead of open-coding Use list_{prev,next}_entry() instead of list_entry() for better code readability. Link: http://lkml.kernel.org/r/1586599916-15456-2-git-send-email-qiwuchen55@xxxxxxxxx Signed-off-by: chenqiwu <chenqiwu@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Wei Yang <richard.weiyang@xxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Pankaj Gupta <pankaj.gupta.linux@xxxxxxxxx> Cc: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> Cc: Qian Cai <cai@xxxxxx> Cc: Baoquan He <bhe@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/swapfile.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) --- a/mm/swapfile.c~mm-swapfile-use-list_prevnext_entry-instead-of-open-coding +++ a/mm/swapfile.c @@ -3654,7 +3654,7 @@ static bool swap_count_continued(struct spin_lock(&si->cont_lock); offset &= ~PAGE_MASK; - page = list_entry(head->lru.next, struct page, lru); + page = list_next_entry(head, lru); map = kmap_atomic(page) + offset; if (count == SWAP_MAP_MAX) /* initial increment from swap_map */ @@ -3666,13 +3666,13 @@ static bool swap_count_continued(struct */ while (*map == (SWAP_CONT_MAX | COUNT_CONTINUED)) { kunmap_atomic(map); - page = list_entry(page->lru.next, struct page, lru); + page = list_next_entry(page, lru); BUG_ON(page == head); map = kmap_atomic(page) + offset; } if (*map == SWAP_CONT_MAX) { kunmap_atomic(map); - page = list_entry(page->lru.next, struct page, lru); + page = list_next_entry(page, lru); if (page == head) { ret = false; /* add count continuation */ goto out; @@ -3682,12 +3682,10 @@ init_map: *map = 0; /* we didn't zero } *map += 1; kunmap_atomic(map); - page = list_entry(page->lru.prev, struct page, lru); - while (page != head) { + while ((page = list_prev_entry(page, lru)) != head) { map = kmap_atomic(page) + offset; *map = COUNT_CONTINUED; kunmap_atomic(map); - page = list_entry(page->lru.prev, struct page, lru); } ret = true; /* incremented */ @@ -3698,7 +3696,7 @@ init_map: *map = 0; /* we didn't zero BUG_ON(count != COUNT_CONTINUED); while (*map == COUNT_CONTINUED) { kunmap_atomic(map); - page = list_entry(page->lru.next, struct page, lru); + page = list_next_entry(page, lru); BUG_ON(page == head); map = kmap_atomic(page) + offset; } @@ -3707,13 +3705,11 @@ init_map: *map = 0; /* we didn't zero if (*map == 0) count = 0; kunmap_atomic(map); - page = list_entry(page->lru.prev, struct page, lru); - while (page != head) { + while ((page = list_prev_entry(page, lru)) != head) { map = kmap_atomic(page) + offset; *map = SWAP_CONT_MAX | count; count = COUNT_CONTINUED; kunmap_atomic(map); - page = list_entry(page->lru.prev, struct page, lru); } ret = count == COUNT_CONTINUED; } _ Patches currently in -mm which might be from chenqiwu@xxxxxxxxxx are mm-memblock-fix-minor-typo-and-unclear-comment.patch mm-replace-zero-length-array-with-flexible-array-member.patch