diff options
| author | Jens Axboe <axboe@kernel.dk> | 2024-12-20 08:47:43 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-25 20:22:43 -0800 |
| commit | 77d075221ae777296e2b18a0a4f5fea6f75daf2c (patch) | |
| tree | fd6f1ba98dfd60f79f3d2b2de5ea45367ff75edf /mm/readahead.c | |
| parent | cceba6f7e46c48deca433030d80fc34599fb9fd8 (diff) | |
mm/readahead: add readahead_control->dropbehind member
If ractl->dropbehind is set to true, then folios created are marked as
dropbehind as well.
Link: https://lkml.kernel.org/r/20241220154831.1086649-6-axboe@kernel.dk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Brian Foster <bfoster@redhat.com>
Cc: Chris Mason <clm@meta.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/readahead.c')
| -rw-r--r-- | mm/readahead.c | 8 |
1 files changed, 7 insertions, 1 deletions
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; } /** |