On 5/30/19 7:41 PM, Huang, Ying wrote:
> From: Huang Ying <ying.huang@xxxxxxxxx>
>
> Mike reported the following warning messages
>
> get_swap_device: Bad swap file entry 1400000000000001
>
> This is produced by
>
> - total_swapcache_pages()
> - get_swap_device()
>
> Where get_swap_device() is used to check whether the swap device is
> valid and prevent it from being swapoff if so. But get_swap_device()
> may produce warning message as above for some invalid swap devices.
> This is fixed via calling swp_swap_info() before get_swap_device() to
> filter out the swap devices that may cause warning messages.
>
> Fixes: 6a946753dbe6 ("mm/swap_state.c: simplify total_swapcache_pages() with get_swap_device()")
> Signed-off-by: "Huang, Ying" <ying.huang@xxxxxxxxx>
Thank you, this eliminates the messages for me:
Tested-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
--
Mike Kravetz
