From: Chen Wandun <chenwandun@huawei.com>
To: <akpm@linux-foundation.org>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>
Cc: <chenwandun@huawei.com>
Subject: [PATCH] mm/swapfile.c: fix comments for swapcache_prepare
Date: Wed, 12 Feb 2020 22:57:54 +0800 [thread overview]
Message-ID: <20200212145754.27123-1-chenwandun@huawei.com> (raw)
the -EEXIST returned by __swap_duplicate means there is a swap
cache instead -EBUSY
Signed-off-by: Chen Wandun <chenwandun@huawei.com>
---
mm/swapfile.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 2c33ff456ed5..0e23c123a545 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -3476,7 +3476,7 @@ int swap_duplicate(swp_entry_t entry)
*
* Called when allocating swap cache for existing swap entry,
* This can return error codes. Returns 0 at success.
- * -EBUSY means there is a swap cache.
+ * -EEXIST means there is a swap cache.
* Note: return code is different from swap_duplicate().
*/
int swapcache_prepare(swp_entry_t entry)
--
2.17.1
reply other threads:[~2020-02-12 14:43 UTC|newest]
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