From 3eeba1356dfc114e5fed3d05288a5bda0425927f Mon Sep 17 00:00:00 2001 From: Chen Wandun Date: Wed, 1 Apr 2020 21:06:07 -0700 Subject: mm/swapfile.c: fix comments for swapcache_prepare The -EEXIST returned by __swap_duplicate means there is a swap cache instead -EBUSY Signed-off-by: Chen Wandun Signed-off-by: Andrew Morton Reviewed-by: Andrew Morton Link: http://lkml.kernel.org/r/20200212145754.27123-1-chenwandun@huawei.com Signed-off-by: Linus Torvalds --- mm/swapfile.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'mm') diff --git a/mm/swapfile.c b/mm/swapfile.c index be33e6176cd9..6d63bd9b7da2 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -3475,7 +3475,7 @@ 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) -- cgit v1.2.3