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authorDon Dugger <donald.d.dugger@intel.com>2015-10-29 22:15:25 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2015-10-29 22:15:25 +0000
commitafc76d554ed517e38d46b6b182a7016406a1323f (patch)
tree06133cb33a43488837ea67667458e1582f2f40ce /kernel/arch/powerpc/include/asm/pgtable-ppc64.h
parent41f827bfbb10e03c4d228fbcc801dd51fb9983b0 (diff)
parentec0a2ed6d8a5e555edef907895c041e285fdb495 (diff)
Merge "These changes are a raw update to a vanilla kernel 4.1.10, with the recently announced rt patch patch-4.1.10-rt10.patch. No further changes needed."
Diffstat (limited to 'kernel/arch/powerpc/include/asm/pgtable-ppc64.h')
-rw-r--r--kernel/arch/powerpc/include/asm/pgtable-ppc64.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/arch/powerpc/include/asm/pgtable-ppc64.h b/kernel/arch/powerpc/include/asm/pgtable-ppc64.h
index 43e6ad424..88d27e325 100644
--- a/kernel/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/kernel/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -135,7 +135,19 @@
#define pte_iterate_hashed_end() } while(0)
#ifdef CONFIG_PPC_HAS_HASH_64K
-#define pte_pagesize_index(mm, addr, pte) get_slice_psize(mm, addr)
+/*
+ * We expect this to be called only for user addresses or kernel virtual
+ * addresses other than the linear mapping.
+ */
+#define pte_pagesize_index(mm, addr, pte) \
+ ({ \
+ unsigned int psize; \
+ if (is_kernel_addr(addr)) \
+ psize = MMU_PAGE_4K; \
+ else \
+ psize = get_slice_psize(mm, addr); \
+ psize; \
+ })
#else
#define pte_pagesize_index(mm, addr, pte) MMU_PAGE_4K
#endif