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(parent: c113a3a) | patch
powerpc: pseries: Fix kexec on machines with more than 4TB of RAM
authorAnton Blanchard <anton@samba.org>
Tue, 26 Jul 2011 18:15:03 +0000 (18:15 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 5 Aug 2011 04:47:55 +0000 (14:47 +1000)
commitbed9a31527af8ff3dfbad62a1a42815cef4baab7
tree6cb6c846471fe6bad95f43c8d2d30947458166cbtree | snapshot (tar.gz zip)
parentc113a3aee2b68e311f2bc55f70fe56b64c3a476bcommit | diff
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>
arch/powerpc/platforms/pseries/lpar.c diff | blob | blame | history