On Tue, Sep 03, 2024 at 09:04:44PM -0700, Eric Biggers wrote: > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > Since dm-verity doesn't support writes, the kernel's memory reclaim code > will never wait on dm-verity work. That makes the use of WQ_MEM_RECLAIM > in dm-verity unnecessary. WQ_MEM_RECLAIM has been present from the > beginning of dm-verity, but I could not find a justification for it; > I suspect it was just copied from dm-crypt which does support writes. > > Therefore, remove WQ_MEM_RECLAIM from dm-verity. This eliminates the > creation of an unnecessary rescuer thread per dm-verity device. > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> Thanks! Reviewed-by: Mike Snitzer <snitzer@xxxxxxxxxx>