lockdep warning: fs_reclaim_acquire vs tcp_sendpage

[Daniel Wagner]

On Wed, Oct 19, 2022 at 08:43:43PM +0300, Sagi Grimberg wrote:
> 
> > > > Still able to trigger though I figured out how I am able to
> > > > reproduce it:
> > > > 
> > > >    VM 4M memory, 8 vCPUs
> > > 
> > > thats small...
> > 
> > Just a test VM. But I think this is actually the key to reproduce the
> > lockdep splat. The fio command is eating up a lot of ram (I guess any
> > other memory hog would do the job as well) and forces the mm subsystem
> > to use the swap.
> 
> Is that 4MB of memory? or 4GB?

Ah sorry... it is 4GB indeed.