Re: [PATCH] remove throttle_vm_writeout()

Miklos Szeredi
2007-10-05T10:32:42Z

> I think that's an improvement in all respects.
>
> However it still does not generally address the deadlock scenario: if
> there's a small DMA zone, and fuse manages to put all of those pages
> under writeout, then there's trouble.

And the only way to solve that AFAICS, is to make sure fuse never uses
more than e.g. 50% of _any_ zone for page cache. And that may need
some tweaking in the allocator...

Miklos