tree 6cb6c846471fe6bad95f43c8d2d30947458166cb
parent c113a3aee2b68e311f2bc55f70fe56b64c3a476b
author Anton Blanchard <anton@samba.org> 1311704103 +0000
committer Benjamin Herrenschmidt <benh@kernel.crashing.org> 1312519675 +1000

powerpc: pseries: Fix kexec on machines with more than 4TB of RAM

On a box with 8TB of RAM the MMU hashtable is 64GB in size. That
means we have 4G PTEs. pSeries_lpar_hptab_clear was using a signed
int to store the index which will overflow at 2G.

Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: <stable@kernel.org>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>