Re: [PATCH] meminfo: add Cached underflow check

[Martin Hicks]

On Mon, Apr 04, 2005 at 03:10:49PM -0700, Andrew Morton wrote:
> Martin Hicks <mort@xxxxxxx> wrote:
> >
> > Working on some code lately I've been getting huge values
> > for "Cached".  The cause is that get_page_cache_size() is an
> > approximate value, and for a sufficiently small returned value
> > of get_page_cache_size() the value underflows.
> 
> OK..
> 
> I think I'd prefer to do it this way - it's simpler and the original patch
> had a teeny race wrt changes in total_swapcache_pages.

Fine by me.

mh

-- 
Martin Hicks   ||   Silicon Graphics Inc.   ||   mort@xxxxxxx
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