On Fri, 6 Jul 2001, Jeff Garzik wrote:
> Rik van Riel wrote:
> > + cache_mem = atomic_read(&page_cache_size);
> > + cache_mem += atomic_read(&buffermem_pages);
> > + cache_mem -= swapper_space.nrpages;
> > + limit = (page_cache.min_percent + buffer_mem.min_percent);
>
> Don't you need extra protection around swapper_space.nrpages?
> A barrier right above it?
No. It's just a heuristic.
Besides, all that could change is the VALUE of
swapper_space.nrpages and it won't change by all
that much...
Rik
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