Commit d12b8951 authored by Yang Shi's avatar Yang Shi Committed by Linus Torvalds

mm: truncate_complete_page() does not exist any more

Patch series "mm: misc migrate cleanup and improvement", v3.

This patch (of 5):

The commit 9f4e41f4 ("mm: refactor truncate_complete_page()")
refactored truncate_complete_page(), and it is not existed anymore,
correct the comment in vmscan and migrate to avoid confusion.

Link: https://lkml.kernel.org/r/20201113205359.556831-1-shy828301@gmail.com
Link: https://lkml.kernel.org/r/20201113205359.556831-2-shy828301@gmail.comSigned-off-by: default avatarYang Shi <shy828301@gmail.com>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0060ef3b
...@@ -1106,7 +1106,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage, ...@@ -1106,7 +1106,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage,
* and treated as swapcache but it has no rmap yet. * and treated as swapcache but it has no rmap yet.
* Calling try_to_unmap() against a page->mapping==NULL page will * Calling try_to_unmap() against a page->mapping==NULL page will
* trigger a BUG. So handle it here. * trigger a BUG. So handle it here.
* 2. An orphaned page (see truncate_complete_page) might have * 2. An orphaned page (see truncate_cleanup_page) might have
* fs-private metadata. The page can be picked up due to memory * fs-private metadata. The page can be picked up due to memory
* offlining. Everywhere else except page reclaim, the page is * offlining. Everywhere else except page reclaim, the page is
* invisible to the vm, so the page can not be migrated. So try to * invisible to the vm, so the page can not be migrated. So try to
......
...@@ -1390,7 +1390,7 @@ static unsigned int shrink_page_list(struct list_head *page_list, ...@@ -1390,7 +1390,7 @@ static unsigned int shrink_page_list(struct list_head *page_list,
* *
* Rarely, pages can have buffers and no ->mapping. These are * Rarely, pages can have buffers and no ->mapping. These are
* the pages which were not successfully invalidated in * the pages which were not successfully invalidated in
* truncate_complete_page(). We try to drop those buffers here * truncate_cleanup_page(). We try to drop those buffers here
* and if that worked, and the page is no longer mapped into * and if that worked, and the page is no longer mapped into
* process address space (page_count == 1) it can be freed. * process address space (page_count == 1) it can be freed.
* Otherwise, leave the page on the LRU so it is swappable. * Otherwise, leave the page on the LRU so it is swappable.
......
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