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-rw-r--r--arch/powerpc/mm/pgtable-hash64.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable-hash64.c b/arch/powerpc/mm/pgtable-hash64.c
index 73019c52141f..443a2c66a304 100644
--- a/arch/powerpc/mm/pgtable-hash64.c
+++ b/arch/powerpc/mm/pgtable-hash64.c
@@ -460,4 +460,16 @@ void hash__mark_rodata_ro(void)
WARN_ON(!hash__change_memory_range(start, end, PP_RXXX));
}
+
+void hash__mark_initmem_nx(void)
+{
+ unsigned long start, end, pp;
+
+ start = (unsigned long)__init_begin;
+ end = (unsigned long)__init_end;
+
+ pp = htab_convert_pte_flags(pgprot_val(PAGE_KERNEL));
+
+ WARN_ON(!hash__change_memory_range(start, end, pp));
+}
#endif