[PATCH 3.18 55/90] powerpc/nohash: fix undefined behaviour when testing page size support

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Daniel Axtens [ Upstream commit f5e284803a7206d43e26f9ffcae5de9626d95e37 ] When enumerating page size definitions to check hardware support, we construct a constant which is (1U <<

[PATCH 3.18 55/90] powerpc/nohash: fix undefined behaviour when testing page size support

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Daniel Axtens [ Upstream commit f5e284803a7206d43e26f9ffcae5de9626d95e37 ] When enumerating page size definitions to check hardware support, we construct a constant which is (1U <<