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-rw-r--r--arch/powerpc/mm/pgtable.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 354611940118..cd16b407f47e 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -28,6 +28,14 @@
#include <asm/hugetlb.h>
#include <asm/pte-walk.h>
+#ifdef CONFIG_PPC64
+#define PGD_ALIGN (sizeof(pgd_t) * MAX_PTRS_PER_PGD)
+#else
+#define PGD_ALIGN PAGE_SIZE
+#endif
+
+pgd_t swapper_pg_dir[MAX_PTRS_PER_PGD] __section(".bss..page_aligned") __aligned(PGD_ALIGN);
+
static inline int is_exec_fault(void)
{
return current->thread.regs && TRAP(current->thread.regs) == 0x400;