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-rw-r--r--arch/s390/include/asm/mmu.h5
-rw-r--r--arch/s390/mm/vmem.c4
-rw-r--r--mm/init-mm.c6
3 files changed, 11 insertions, 4 deletions
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index 03be99919d62..99e3409102b9 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -13,4 +13,9 @@ typedef struct {
13 int alloc_pgste; /* cloned contexts will have extended page tables */ 13 int alloc_pgste; /* cloned contexts will have extended page tables */
14} mm_context_t; 14} mm_context_t;
15 15
16#define INIT_MM_CONTEXT(name) \
17 .context.list_lock = __SPIN_LOCK_UNLOCKED(name.context.list_lock), \
18 .context.crst_list = LIST_HEAD_INIT(name.context.crst_list), \
19 .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list),
20
16#endif 21#endif
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index 90165e7ca04e..34c43f23b28c 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -332,10 +332,6 @@ void __init vmem_map_init(void)
332 unsigned long start, end; 332 unsigned long start, end;
333 int i; 333 int i;
334 334
335 spin_lock_init(&init_mm.context.list_lock);
336 INIT_LIST_HEAD(&init_mm.context.crst_list);
337 INIT_LIST_HEAD(&init_mm.context.pgtable_list);
338 init_mm.context.noexec = 0;
339 ro_start = ((unsigned long)&_stext) & PAGE_MASK; 335 ro_start = ((unsigned long)&_stext) & PAGE_MASK;
340 ro_end = PFN_ALIGN((unsigned long)&_eshared); 336 ro_end = PFN_ALIGN((unsigned long)&_eshared);
341 for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { 337 for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) {
diff --git a/mm/init-mm.c b/mm/init-mm.c
index 57aba0da9668..1d29cdfe8ebb 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -7,6 +7,11 @@
7 7
8#include <asm/atomic.h> 8#include <asm/atomic.h>
9#include <asm/pgtable.h> 9#include <asm/pgtable.h>
10#include <asm/mmu.h>
11
12#ifndef INIT_MM_CONTEXT
13#define INIT_MM_CONTEXT(name)
14#endif
10 15
11struct mm_struct init_mm = { 16struct mm_struct init_mm = {
12 .mm_rb = RB_ROOT, 17 .mm_rb = RB_ROOT,
@@ -17,4 +22,5 @@ struct mm_struct init_mm = {
17 .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock), 22 .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
18 .mmlist = LIST_HEAD_INIT(init_mm.mmlist), 23 .mmlist = LIST_HEAD_INIT(init_mm.mmlist),
19 .cpu_vm_mask = CPU_MASK_ALL, 24 .cpu_vm_mask = CPU_MASK_ALL,
25 INIT_MM_CONTEXT(init_mm)
20}; 26};