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Fix Huge TLB support on some MIPS machines including Loongson 2F.
Patch by Mark H Weaver <mhw@netris.org>
--- linux-4.1.6/arch/mips/include/asm/pgtable-bits.h 2015-08-16 23:52:51.000000000 -0400
+++ linux-4.1.6/arch/mips/include/asm/pgtable-bits.h 2015-08-22 16:42:06.589995600 -0400
@@ -160,7 +160,7 @@
#define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1)
#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
-#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR6 */
+#elif !defined(CONFIG_64BIT) || !defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
#define _PAGE_GLOBAL_SHIFT (_PAGE_MODIFIED_SHIFT + 1)
#define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT)
#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
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