Re: fs/stat: Reduce memory requirements for stat_open

[David Rientjes]

On Thu, 12 Jun 2014, Stefan Bader wrote:

> doh, so you guys have been hit by that before. And I have missed the fact that
> single_open is special. Which makes the change for the upper limit do the wrong
> thing. While long-term it sounds like changing it to vmalloc or iterative reads
> sounds better, maybe the change from possible to online cpus might be something
> that is better acceptable as a quick fix... Not sure. At least this giving back
> a bit of attention to the matter and it is not only affecting zSeries. x86
> starts to see hw that requires a similar high possible cpus... :)
> 

Heiko's patches that should fix this problem are now in -mm, so it would 
be nice to know if there are any existing issues that haven't been 
addressed yet with your bug report.  See 
http://www.ozlabs.org/~akpm/mmotm/
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