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-rw-r--r--block/bio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/bio.c b/block/bio.c
index 24a496f5d2e2..54769659a434 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -806,6 +806,9 @@ void __bio_add_page(struct bio *bio, struct page *page,
bio->bi_iter.bi_size += len;
bio->bi_vcnt++;
+
+ if (!bio_flagged(bio, BIO_WORKINGSET) && unlikely(PageWorkingset(page)))
+ bio_set_flag(bio, BIO_WORKINGSET);
}
EXPORT_SYMBOL_GPL(__bio_add_page);