"Huang, Ying" <ying.huang@xxxxxxxxx> writes: > Hi, Mike, > > Mike Kravetz <mike.kravetz@xxxxxxxxxx> writes: > >> On 5/29/19 8:53 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote: >>> The mm-of-the-moment snapshot 2019-05-29-20-52 has been uploaded to >>> >>> http://www.ozlabs.org/~akpm/mmotm/ >>> >> >> With this kernel, I seem to get many messages such as: >> >> get_swap_device: Bad swap file entry 1400000000000001 >> >> It would seem to be related to commit 3e2c19f9bef7e >>> * mm-swap-fix-race-between-swapoff-and-some-swap-operations.patch > > Hi, Mike, > > Thanks for reporting! I find an issue in my patch and I can reproduce > your problem now. The reason is total_swapcache_pages() will call > get_swap_device() for invalid swap device. So we need to find a way to > silence the warning. I will post a fix ASAP. I have sent out a fix patch in another thread with title "[PATCH -mm] mm, swap: Fix bad swap file entry warning" Can you try it? Best Regards, Huang, Ying