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Subject[PATCH] mm/swapfile.c: fix comments for swapcache_prepare
Date
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
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