Since the pinned pages have been put into inevictable list,
folio_maybe_dma_pinned() calls in shrink_page_list() could
be removed.
Signed-off-by: Jinjiang Tu <tujinjiang@xxxxxxxxxx>
---
mm/vmscan.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 2fe4a11d63f4..590833c1fdbe 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1891,8 +1891,6 @@ static unsigned int shrink_folio_list(struct list_head *folio_list,
if (!folio_test_swapcache(folio)) {
if (!(sc->gfp_mask & __GFP_IO))
goto keep_locked;
- if (folio_maybe_dma_pinned(folio))
- goto keep_locked;
if (folio_test_large(folio)) {
/* cannot split folio, skip it */
if (!can_split_folio(folio, NULL))
@@ -1959,16 +1957,6 @@ static unsigned int shrink_folio_list(struct list_head *folio_list,
}
}
- /*
- * Folio is unmapped now so it cannot be newly pinned anymore.
- * No point in trying to reclaim folio if it is pinned.
- * Furthermore we don't want to reclaim underlying fs metadata
- * if the folio is pinned and thus potentially modified by the
- * pinning process as that may upset the filesystem.
- */
- if (folio_maybe_dma_pinned(folio))
- goto activate_locked;
-
mapping = folio_mapping(folio);
if (folio_test_dirty(folio)) {
/*
--
2.25.1
