Re: [PATCH] Deadlock during heavy write activity to userspace NFSserver on local NFS mount

[Avi Kivity]

Trond Myklebust wrote:

> På ty , 27/07/2004 klokka 21:29, skreiv Nick Piggin:
>
>  
>
> > There is some need arising for a call to set the PF_MEMALLOC flag for
> > userspace tasks, so you could probably get a patch accepted. Don't
> > call it KSWAPD_HELPER though, maybe MEMFREE or RECLAIM or RECLAIM_HELPER.
> >
> > But why is your NFS server needed to reclaim memory? Do you have the
> > filesystem mounted locally?
> >    
>
> ...and why can't this problem be fixed by judicious use of mlock()?
>
>  
I mlock(MLOCK_ALL) as soon as I wake up in the morning (and I never ask 
the kernel for more memory), but the kernel likes to allocate memory 
when performing some syscalls for me.


Avi
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