On 2020-12-07 16:21:20 [+0100], Vitaly Wool wrote: > On Mon, Dec 7, 2020 at 1:34 PM Mike Galbraith <efault@xxxxxx> wrote: > > > > Unfortunately, that made zero difference. > > Okay, I suggest that you submit the patch that changes read_lock() to > write_lock() in __release_z3fold_page() and I'll ack it then. > I would like to rewrite the code so that write_lock is not necessary > there but I don't want to hold you back and it isn't likely that I'll > complete this today. Please with a Fixes: 4a3ac9311dac3 ("mm/z3fold.c: add inter-page compaction") tag. > Best regards, > Vitaly Sebastian