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

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Fri Mar 23 2001 - 17:29:45 EST

> > > + 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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