diff options
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 1 | ||||
| -rw-r--r-- | arch/s390/mm/fault.c | 12 | ||||
| -rw-r--r-- | arch/s390/mm/init.c | 1 |
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 0eefb9e192d..23d9a8af6f4 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -35,7 +35,6 @@ extern pgd_t swapper_pg_dir[] __attribute__ ((aligned (4096))); extern void paging_init(void); extern void vmem_map_init(void); -extern void fault_init(void); /* * The S390 doesn't have any external MMU info: the kernel page diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 04ad4001a28..870a644895f 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -49,15 +49,19 @@ #define VM_FAULT_BADCONTEXT 0x010000 #define VM_FAULT_BADMAP 0x020000 #define VM_FAULT_BADACCESS 0x040000 -#define VM_FAULT_SIGNAL 0x080000 +#define VM_FAULT_SIGNAL 0x080000 -static unsigned long store_indication; +static unsigned long store_indication __read_mostly; -void fault_init(void) +#ifdef CONFIG_64BIT +static int __init fault_init(void) { - if (test_facility(2) && test_facility(75)) + if (test_facility(75)) store_indication = 0xc00; + return 0; } +early_initcall(fault_init); +#endif static inline int notify_page_fault(struct pt_regs *regs) { diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 81e596c65de..c6188ef72d3 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -125,7 +125,6 @@ void __init paging_init(void) max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS); max_zone_pfns[ZONE_NORMAL] = max_low_pfn; free_area_init_nodes(max_zone_pfns); - fault_init(); } void __init mem_init(void) |