Re: netbsd-5 deadlocks when memory is low

[Masao Uebayashi <uebayasi%gmail.com@localhost>]

On Thu, Sep 15, 2011 at 2:13 AM, Emmanuel Dreyfus <manu%netbsd.org@localhost> 
wrote:
> Masao Uebayashi <uebayasi%gmail.com@localhost> wrote:
>
>> You're faulting on a busy (PG_BUSY) anon page whose owner is also an
>> anon.  I suppose the page is being swapped either in or out...
>
> The question is why does it fail to complete?

Hmm, I don't see any relevant "if (PG_WANTED) wakeup(pg);" in swap
code path, like that done in genfs_getpages().