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authorAnton Blanchard <anton@samba.org>2011-07-26 18:15:03 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-08-05 14:47:55 +1000
commitbed9a31527af8ff3dfbad62a1a42815cef4baab7 (patch)
parentc113a3aee2b68e311f2bc55f70fe56b64c3a476b (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>
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index f7205d344efd..225aecf7b425 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -204,7 +204,7 @@ static void pSeries_lpar_hptab_clear(void)
unsigned long ptel;
} ptes[4];
long lpar_rc;
- int i, j;
+ unsigned long i, j;
/* Read in batches of 4,
* invalidate only valid entries not in the VRMA