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-rw-r--r--arch/powerpc/mm/pgtable_64.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 5c0b795d656c..ac0717a90ca6 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -104,6 +104,8 @@ unsigned long __vmalloc_start;
EXPORT_SYMBOL(__vmalloc_start);
unsigned long __vmalloc_end;
EXPORT_SYMBOL(__vmalloc_end);
+unsigned long __kernel_io_start;
+EXPORT_SYMBOL(__kernel_io_start);
struct page *vmemmap;
EXPORT_SYMBOL(vmemmap);
unsigned long __pte_frag_nr;
@@ -505,4 +507,12 @@ void mark_rodata_ro(void)
else
hash__mark_rodata_ro();
}
+
+void mark_initmem_nx(void)
+{
+ if (radix_enabled())
+ radix__mark_initmem_nx();
+ else
+ hash__mark_initmem_nx();
+}
#endif