[PATCH] comment fix

[Minchan Kim]

Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
 fs/buffer.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index ca9dd736bcb8..8602dcbe0327 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1265,8 +1265,9 @@ static void bh_lru_install(struct buffer_head *bh)
 
 	check_irqs_on();
 	/*
-	 * buffer_head in bh_lru could increase refcount of the page
-	 * until it will be invalidated. It causes page migraion failure.
+	 * the refcount of buffer_head in bh_lru prevents dropping the
+	 * attached page(i.e., try_to_free_buffers) so it could cause
+	 * failing page migratoin.
 	 * Skip putting upcoming bh into bh_lru until migration is done.
 	 */
 	if (lru_cache_disabled())
-- 
2.31.0.rc2.261.g7f71774620-goog