s390/mm: Remove unused PAGE_KERNEL_EXEC and friends

Remove unused PAGE_KERNEL_EXEC, SEGMENT_KERNEL_EXEC,
and REGION3_KERNEL_EXEC.

Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

Author: hcahca

arch/s390/include/asm/pgtable.h

@@ -458,8 +458,6 @@ static inline int is_module_addr(void *addr)
 				 _PAGE_YOUNG | _PAGE_DIRTY | _PAGE_NOEXEC)
 #define PAGE_KERNEL_RO	__pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_YOUNG | \
 				 _PAGE_PROTECT | _PAGE_NOEXEC)
-#define PAGE_KERNEL_EXEC __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
-				  _PAGE_YOUNG |	_PAGE_DIRTY)
 
 /*
  * Segment entry (large page) protection definitions.
@@ -494,12 +492,6 @@ static inline int is_module_addr(void *addr)
 				 _SEGMENT_ENTRY_YOUNG |	\
 				 _SEGMENT_ENTRY_PROTECT | \
 				 _SEGMENT_ENTRY_NOEXEC)
-#define SEGMENT_KERNEL_EXEC __pgprot(_SEGMENT_ENTRY |	\
-				 _SEGMENT_ENTRY_LARGE |	\
-				 _SEGMENT_ENTRY_READ |	\
-				 _SEGMENT_ENTRY_WRITE | \
-				 _SEGMENT_ENTRY_YOUNG |	\
-				 _SEGMENT_ENTRY_DIRTY)
 
 /*
  * Region3 entry (large page) protection definitions.
@@ -520,13 +512,6 @@ static inline int is_module_addr(void *addr)
 				   _REGION3_ENTRY_YOUNG |  \
 				   _REGION_ENTRY_PROTECT | \
 				   _REGION_ENTRY_NOEXEC)
-#define REGION3_KERNEL_EXEC __pgprot(_REGION_ENTRY_TYPE_R3 | \
-				 _REGION3_ENTRY_PRESENT | \
-				 _REGION3_ENTRY_LARGE |	 \
-				 _REGION3_ENTRY_READ |	 \
-				 _REGION3_ENTRY_WRITE |	 \
-				 _REGION3_ENTRY_YOUNG |	 \
-				 _REGION3_ENTRY_DIRTY)
 
 static inline bool mm_p4d_folded(struct mm_struct *mm)
 {