diff options
| author | Song Liu <[email protected]> | 2019-09-23 15:37:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-09-24 15:54:11 -0700 |
| commit | 520e5ba415906373186bcd3c7cffa3535bfdbdde (patch) | |
| tree | a6d33c8c66bd3865245f93931484427dce1a0eb4 | |
| parent | 31895438e702f48e25b7aa6d88f9c97c795c79c7 (diff) | |
filemap: update offset check in filemap_fault()
With THP, current check of offset:
VM_BUG_ON_PAGE(page->index != offset, page);
is no longer accurate. Update it to:
VM_BUG_ON_PAGE(page_to_pgoff(page) != offset, page);
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Song Liu <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
Cc: Hillf Danton <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: William Kucharski <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/filemap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 0b301103ea80..f4d2971abd7c 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2545,7 +2545,7 @@ retry_find: put_page(page); goto retry_find; } - VM_BUG_ON_PAGE(page->index != offset, page); + VM_BUG_ON_PAGE(page_to_pgoff(page) != offset, page); /* * We have a locked page in the page cache, now we need to check |