Re: nfs unhappiness with memory pressure

[Nick Piggin]

Trond Myklebust wrote:
> On Mon, 2005-12-05 at 15:13 -0500, Trond Myklebust wrote:

> > Can somebody VM-savvy please explain how on earth they expect something
> > like throttle_vm_writeout() to make progress? Shouldn't that thing at
> > the very least be kicking pdflush every time it loops?
>
>
> Can you try something like this patch, Kenny?

The VM doesn't expect to have to rely on pdflush to write out pages
for it. ->writepage should be enough. Adding wakeup_pdflush here
actually could do the wrong thing for non-NFS filesystems if it
starts more writeback.

Nick

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