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-rw-r--r--include/asm-s390/pgtable.h16
1 files changed, 12 insertions, 4 deletions
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 2d968a69ed1f..ae61aca5d483 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -107,23 +107,25 @@ extern char empty_zero_page[PAGE_SIZE];
107 * The vmalloc() routines leaves a hole of 4kB between each vmalloced 107 * The vmalloc() routines leaves a hole of 4kB between each vmalloced
108 * area for the same reason. ;) 108 * area for the same reason. ;)
109 */ 109 */
110extern unsigned long vmalloc_end;
110#define VMALLOC_OFFSET (8*1024*1024) 111#define VMALLOC_OFFSET (8*1024*1024)
111#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) \ 112#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) \
112 & ~(VMALLOC_OFFSET-1)) 113 & ~(VMALLOC_OFFSET-1))
114#define VMALLOC_END vmalloc_end
113 115
114/* 116/*
115 * We need some free virtual space to be able to do vmalloc. 117 * We need some free virtual space to be able to do vmalloc.
116 * VMALLOC_MIN_SIZE defines the minimum size of the vmalloc 118 * VMALLOC_MIN_SIZE defines the minimum size of the vmalloc
117 * area. On a machine with 2GB memory we make sure that we 119 * area. On a machine with 2GB memory we make sure that we
118 * have at least 128MB free space for vmalloc. On a machine 120 * have at least 128MB free space for vmalloc. On a machine
119 * with 4TB we make sure we have at least 1GB. 121 * with 4TB we make sure we have at least 128GB.
120 */ 122 */
121#ifndef __s390x__ 123#ifndef __s390x__
122#define VMALLOC_MIN_SIZE 0x8000000UL 124#define VMALLOC_MIN_SIZE 0x8000000UL
123#define VMALLOC_END 0x80000000UL 125#define VMALLOC_END_INIT 0x80000000UL
124#else /* __s390x__ */ 126#else /* __s390x__ */
125#define VMALLOC_MIN_SIZE 0x40000000UL 127#define VMALLOC_MIN_SIZE 0x2000000000UL
126#define VMALLOC_END 0x40000000000UL 128#define VMALLOC_END_INIT 0x40000000000UL
127#endif /* __s390x__ */ 129#endif /* __s390x__ */
128 130
129/* 131/*
@@ -815,11 +817,17 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
815 817
816#define kern_addr_valid(addr) (1) 818#define kern_addr_valid(addr) (1)
817 819
820extern int add_shared_memory(unsigned long start, unsigned long size);
821extern int remove_shared_memory(unsigned long start, unsigned long size);
822
818/* 823/*
819 * No page table caches to initialise 824 * No page table caches to initialise
820 */ 825 */
821#define pgtable_cache_init() do { } while (0) 826#define pgtable_cache_init() do { } while (0)
822 827
828#define __HAVE_ARCH_MEMMAP_INIT
829extern void memmap_init(unsigned long, int, unsigned long, unsigned long);
830
823#define __HAVE_ARCH_PTEP_ESTABLISH 831#define __HAVE_ARCH_PTEP_ESTABLISH
824#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS 832#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
825#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG 833#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG