make check fails on rhel5/ppc

[Ingvar Hagelund]

ti., 27.03.2012 kl. 11.10 +0200, skrev Ingvar Hagelund:
> * Ingvar Hagelund wrote:
> > > With the proposed atomic operations for ppc patch, I can finally build
> > > jemalloc-2.2.5 on rhel5/ppc. make check fails like this for all but the
> > > bitmap test.
> > > 
> > > Too many small size classes (269 > max 256)
> > > 
> > > More details below.
> > > 
> > > Is this just missing tuning? Where are the knobs to turn?
> 
> * Jason Evans wrote:
> > Something terrible must be wrong with the configuration. Quantum and page size are the most likely culprits; what are they set at?
> 
> Page size on rhel5/ppc64 is 64k. This should really be picked up by
> configure, for example via getconf, not hard coded.
> 
> rhel5_ppc64$ getconf PAGESIZE
> 65536

Looking a bit on the code, it seems autodetection is actually done. And
it does not work even when hardcoding the pagesize to 64k (same
results).

Any other ideas?

Ingvar