Re: [PATCH] [Request for inclusion] Filesystem in Userspace

From: Daniel Phillips
Date: Fri Dec 03 2004 - 17:08:43 EST


Hi Avi,

On Tuesday 30 November 2004 16:37, Avi Kivity wrote:
> The situation with userspace filesystems is:
>
> some process allocates memory, blocking on kswapd as memory is full
> kswapd calls userspace filesystem to free memory
> userspace filesystem calls kernel, which allocates memory and blocks
> on kswapd
> eventually all processes in the system block on kswapd
>
> I have observed (and fixed) this on a real system.

What was your fix?

Regards,

Daniel
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