diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 82a17c35eb96..1293c3409e42 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2354,8 +2354,12 @@ static void filemap_get_read_batch(struct address_space *mapping, break; if (PageReadahead(head)) break; - xas.xa_index = head->index + thp_nr_pages(head) - 1; - xas.xa_offset = (xas.xa_index >> xas.xa_shift) & XA_CHUNK_MASK; + if (PageHead(head)) { + xas_set(&xas, head->index + thp_nr_pages(head)); + /* Handle wrap correctly */ + if (xas.xa_index - 1 >= max) + break; + } continue; put_page: put_page(head); |