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Diffstat (limited to 'arch/s390/mm')
-rw-r--r--arch/s390/mm/cmm.c1
-rw-r--r--arch/s390/mm/fault.c30
-rw-r--r--arch/s390/mm/init.c17
-rw-r--r--arch/s390/mm/vmem.c6
4 files changed, 19 insertions, 35 deletions
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index c5b2f4f078bc..fabc50adc46a 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -20,6 +20,7 @@
#include <asm/pgalloc.h>
#include <asm/uaccess.h>
+#include <asm/diag.h>
static char *sender = "VMRMSVM";
module_param(sender, charp, 0400);
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index d855cdbf8fb8..54055194e9af 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -307,6 +307,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int write)
unsigned long address;
int space;
int si_code;
+ int fault;
if (notify_page_fault(regs, error_code))
return;
@@ -377,23 +378,22 @@ survive:
* make sure we exit gracefully rather than endlessly redo
* the fault.
*/
- switch (handle_mm_fault(mm, vma, address, write)) {
- case VM_FAULT_MINOR:
- tsk->min_flt++;
- break;
- case VM_FAULT_MAJOR:
- tsk->maj_flt++;
- break;
- case VM_FAULT_SIGBUS:
- do_sigbus(regs, error_code, address);
- return;
- case VM_FAULT_OOM:
- if (do_out_of_memory(regs, error_code, address))
- goto survive;
- return;
- default:
+ fault = handle_mm_fault(mm, vma, address, write);
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM) {
+ if (do_out_of_memory(regs, error_code, address))
+ goto survive;
+ return;
+ } else if (fault & VM_FAULT_SIGBUS) {
+ do_sigbus(regs, error_code, address);
+ return;
+ }
BUG();
}
+ if (fault & VM_FAULT_MAJOR)
+ tsk->maj_flt++;
+ else
+ tsk->min_flt++;
up_read(&mm->mmap_sem);
/*
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 9098531a2671..3a25bbf2eb0a 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -42,23 +42,6 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((__aligned__(PAGE_SIZE)));
char empty_zero_page[PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE)));
-void diag10(unsigned long addr)
-{
- if (addr >= 0x7ff00000)
- return;
- asm volatile(
-#ifdef CONFIG_64BIT
- " sam31\n"
- " diag %0,%0,0x10\n"
- "0: sam64\n"
-#else
- " diag %0,%0,0x10\n"
- "0:\n"
-#endif
- EX_TABLE(0b,0b)
- : : "a" (addr));
-}
-
void show_mem(void)
{
int i, total = 0, reserved = 0;
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index 92a565190028..fd594d5fe142 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -29,8 +29,8 @@ struct memory_segment {
static LIST_HEAD(mem_segs);
-void memmap_init(unsigned long size, int nid, unsigned long zone,
- unsigned long start_pfn)
+void __meminit memmap_init(unsigned long size, int nid, unsigned long zone,
+ unsigned long start_pfn)
{
struct page *start, *end;
struct page *map_start, *map_end;
@@ -66,7 +66,7 @@ void memmap_init(unsigned long size, int nid, unsigned long zone,
}
}
-static inline void *vmem_alloc_pages(unsigned int order)
+static void __init_refok *vmem_alloc_pages(unsigned int order)
{
if (slab_is_available())
return (void *)__get_free_pages(GFP_KERNEL, order);