diff options
Diffstat (limited to 'include/asm-s390/pgtable.h')
-rw-r--r-- | include/asm-s390/pgtable.h | 16 |
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 | */ |
110 | extern 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 | ||
820 | extern int add_shared_memory(unsigned long start, unsigned long size); | ||
821 | extern 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 | ||
829 | extern 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 |