They come in handy when working with 1MB blocks/addresses.
Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
---
lib/s390x/asm/page.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/s390x/asm/page.h b/lib/s390x/asm/page.h
index f130f936..2f4afd06 100644
--- a/lib/s390x/asm/page.h
+++ b/lib/s390x/asm/page.h
@@ -35,4 +35,8 @@ typedef struct { pteval_t pte; } pte_t;
#define __pmd(x) ((pmd_t) { (x) } )
#define __pte(x) ((pte_t) { (x) } )
+#define HPAGE_SHIFT 20
+#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT)
+#define HPAGE_MASK (~(HPAGE_SIZE-1))
+
#endif
--
2.31.1
