Re: [PATCH] Fix races in 2.4.2-ac22 SysV shared memory

[Alan Cox]

> > >   +       page = find_lock_page(mapping, idx);
> > > 
> > > Ehh.. Sleeping with the spin-lock held? Sounds like a truly bad idea.
> > 
> > Umm find_lock_page doesnt sleep does it ?
> 
> It certainly does. find_lock_page() -> __find_lock_page() -> lock_page() ->
> -> __lock_page() -> schedule().

Ok I missed the lock page one. Yep.

Alan

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