1 files changed, 15 insertions, 2 deletions

diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h
index 3448a3d4bc64..4ee82c61e4d7 100644
--- a/include/asm-powerpc/page_64.h
+++ b/include/asm-powerpc/page_64.h
@@ -26,12 +26,18 @@
  */
 #define PAGE_FACTOR             (PAGE_SHIFT - HW_PAGE_SHIFT)
 
-/* Segment size */
+/* Segment size; normal 256M segments */
 #define SID_SHIFT               28
-#define SID_MASK                0xfffffffffUL
+#define SID_MASK                ASM_CONST(0xfffffffff)
 #define ESID_MASK               0xfffffffff0000000UL
 #define GET_ESID(x)             (((x) >> SID_SHIFT) & SID_MASK)
 
+/* 1T segments */
+#define SID_SHIFT_1T            40
+#define SID_MASK_1T             0xffffffUL
+#define ESID_MASK_1T            0xffffff0000000000UL
+#define GET_ESID_1T(x)          (((x) >> SID_SHIFT_1T) & SID_MASK_1T)
+
 #ifndef __ASSEMBLY__
 #include <asm/cache.h>
 
@@ -121,6 +127,7 @@ extern unsigned int get_slice_psize(struct mm_struct *mm,
 
 extern void slice_init_context(struct mm_struct *mm, unsigned int psize);
 extern void slice_set_user_psize(struct mm_struct *mm, unsigned int psize);
+#define slice_mm_new_context(mm)        ((mm)->context.id == 0)
 
 #define ARCH_HAS_HUGEPAGE_ONLY_RANGE
 extern int is_hugepage_only_range(struct mm_struct *m,
@@ -130,6 +137,12 @@ extern int is_hugepage_only_range(struct mm_struct *m,
 #endif /* __ASSEMBLY__ */
 #else
 #define slice_init()
+#define slice_set_user_psize(mm, psize)         \
+do {                                            \
+        (mm)->context.user_psize = (psize);     \
+        (mm)->context.sllp = SLB_VSID_USER | mmu_psize_defs[(psize)].sllp; \
+} while (0)
+#define slice_mm_new_context(mm)        1
 #endif /* CONFIG_PPC_MM_SLICES */
 
 #ifdef CONFIG_HUGETLB_PAGE