Re: BUG_ON(!PageLocked(page)) in munlock_vma_page/migrate_pages/__block_write_begin

Johannes Weiner
2015-12-15T19:42:36Z

Hi Dmitry,

On Tue, Dec 15, 2015 at 08:23:34PM +0100, Dmitry Vyukov wrote:
> I am seeing lots of similar BUGs in different functions all pointing
> to BUG_ON(!PageLocked(page)). I reproduced them on several recent
> commits, including stock 6764e5ebd5c62236d082f9ae030674467d0b2779 (Dec
> 9) with no changes on top and no KASAN/etc.

This should be fixed in newer kernels with this commit: