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s390/mm: keep fault_init() private to fault.c

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Just convert fault_init() to an early initcall. That's still early
enough since it only needs be called before user space processes get
executed. No reason to externalize it.
Also add the function to the init section and move the store_indication
variable to the read_mostly section.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2012-10-30 14:49:37 +01:00 committed by Martin Schwidefsky
parent 287a093323
commit a4f32bdbd9
3 changed files with 8 additions and 6 deletions
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1
arch/s390/include/asm/pgtable.h
View file

@ -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

12
arch/s390/mm/fault.c
View file

@ -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)
{

1
arch/s390/mm/init.c
View file

@ -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)