diff options
| -rw-r--r-- | include/linux/pagemap.h | 1 | ||||
| -rw-r--r-- | mm/readahead.c | 8 |
2 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index fc2e1319c7bb..d53c49abead6 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -1358,6 +1358,7 @@ struct readahead_control { pgoff_t _index; unsigned int _nr_pages; unsigned int _batch_count; + bool dropbehind; bool _workingset; unsigned long _pflags; }; diff --git a/mm/readahead.c b/mm/readahead.c index 722b541c7137..6a4e96b69702 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -181,7 +181,13 @@ static void read_pages(struct readahead_control *rac) static struct folio *ractl_alloc_folio(struct readahead_control *ractl, gfp_t gfp_mask, unsigned int order) { - return filemap_alloc_folio(gfp_mask, order); + struct folio *folio; + + folio = filemap_alloc_folio(gfp_mask, order); + if (folio && ractl->dropbehind) + __folio_set_dropbehind(folio); + + return folio; } /** |