[PATCH] powerpc/8xx: mmu_virtual_psize incorrect for 16k pages

From: Christophe Leroy
Date: Fri Apr 17 2015 - 12:37:31 EST


mmu_virtual_psize shall be set to MMU_PAGE_16K when 16k pages have
been selected

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>

---
arch/powerpc/include/asm/mmu-8xx.h | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h
index 986b9e1..d41200c 100644
--- a/arch/powerpc/include/asm/mmu-8xx.h
+++ b/arch/powerpc/include/asm/mmu-8xx.h
@@ -145,7 +145,14 @@ typedef struct {
} mm_context_t;
#endif /* !__ASSEMBLY__ */

+#if (PAGE_SHIFT == 12)
#define mmu_virtual_psize MMU_PAGE_4K
+#elif (PAGE_SHIFT == 14)
+#define mmu_virtual_psize MMU_PAGE_16K
+#else
+#error "Unsupported PAGE_SIZE"
+#endif
+
#define mmu_linear_psize MMU_PAGE_8M

#endif /* _ASM_POWERPC_MMU_8XX_H_ */
--
2.1.0

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