s390/mm: mark function(s) __always_inline

Always inline asm inlines with variable operands for "i" constraints,
since they won't compile if the compiler would decide to not inline
them.
Reported-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

arch/s390/include/asm/pgtable.h

@@ -997,7 +997,7 @@ static inline pte_t pte_mkhuge(pte_t pte)
 #define IPTE_NODAT	0x400
 #define IPTE_GUEST_ASCE	0x800
 
-static inline void __ptep_ipte(unsigned long address, pte_t *ptep,
+static __always_inline void __ptep_ipte(unsigned long address, pte_t *ptep,
 					unsigned long opt, unsigned long asce,
 					int local)
 {
@@ -1020,7 +1020,7 @@ static inline void __ptep_ipte(unsigned long address, pte_t *ptep,
 		: [r1] "a" (pto), [m4] "i" (local) : "memory");
 }
 
-static inline void __ptep_ipte_range(unsigned long address, int nr,
+static __always_inline void __ptep_ipte_range(unsigned long address, int nr,
 					      pte_t *ptep, int local)
 {
 	unsigned long pto = (unsigned long) ptep;
@@ -1436,7 +1436,7 @@ static inline void __pmdp_csp(pmd_t *pmdp)
 #define IDTE_NODAT	0x1000
 #define IDTE_GUEST_ASCE	0x2000
 
-static inline void __pmdp_idte(unsigned long addr, pmd_t *pmdp,
+static __always_inline void __pmdp_idte(unsigned long addr, pmd_t *pmdp,
 					unsigned long opt, unsigned long asce,
 					int local)
 {
@@ -1462,7 +1462,7 @@ static inline void __pmdp_idte(unsigned long addr, pmd_t *pmdp,
 	}
 }
 
-static inline void __pudp_idte(unsigned long addr, pud_t *pudp,
+static __always_inline void __pudp_idte(unsigned long addr, pud_t *pudp,
 					unsigned long opt, unsigned long asce,
 					int local)
 {