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Message-Id: <20200727134926.226479143@linuxfoundation.org>
Date: Mon, 27 Jul 2020 16:03:33 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Nikolaus Rath <Nikolaus@...h.org>,
Hugh Dickins <hughd@...gle.com>,
Miklos Szeredi <mszeredi@...hat.com>,
André Almeida <andrealmeid@...labora.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 018/138] fuse: fix weird page warning
From: Miklos Szeredi <mszeredi@...hat.com>
commit a5005c3cda6eeb6b95645e6cc32f58dafeffc976 upstream.
When PageWaiters was added, updating this check was missed.
Reported-by: Nikolaus Rath <Nikolaus@...h.org>
Reported-by: Hugh Dickins <hughd@...gle.com>
Fixes: 62906027091f ("mm: add PageWaiters indicating tasks are waiting for a page bit")
Signed-off-by: Miklos Szeredi <mszeredi@...hat.com>
Signed-off-by: André Almeida <andrealmeid@...labora.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
fs/fuse/dev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 4f2e4f38feb86..06dd38e76c62a 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -771,7 +771,8 @@ static int fuse_check_page(struct page *page)
1 << PG_uptodate |
1 << PG_lru |
1 << PG_active |
- 1 << PG_reclaim))) {
+ 1 << PG_reclaim |
+ 1 << PG_waiters))) {
pr_warn("trying to steal weird page\n");
pr_warn(" page=%p index=%li flags=%08lx, count=%i, mapcount=%i, mapping=%p\n", page, page->index, page->flags, page_count(page), page_mapcount(page), page->mapping);
return 1;
--
2.25.1
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