* The vmalloc() routines leaves a hole of 4kB between each vmalloced
* area for the same reason. ;)
*/
+extern unsigned long vmalloc_end;
#define VMALLOC_OFFSET (8*1024*1024)
#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) \
& ~(VMALLOC_OFFSET-1))
+#define VMALLOC_END vmalloc_end
/*
* We need some free virtual space to be able to do vmalloc.
* VMALLOC_MIN_SIZE defines the minimum size of the vmalloc
* area. On a machine with 2GB memory we make sure that we
* have at least 128MB free space for vmalloc. On a machine
- * with 4TB we make sure we have at least 1GB.
+ * with 4TB we make sure we have at least 128GB.
*/
#ifndef __s390x__
#define VMALLOC_MIN_SIZE 0x8000000UL
-#define VMALLOC_END 0x80000000UL
+#define VMALLOC_END_INIT 0x80000000UL
#else /* __s390x__ */
-#define VMALLOC_MIN_SIZE 0x40000000UL
-#define VMALLOC_END 0x40000000000UL
+#define VMALLOC_MIN_SIZE 0x2000000000UL
+#define VMALLOC_END_INIT 0x40000000000UL
#endif /* __s390x__ */
/*
#define kern_addr_valid(addr) (1)
+extern int add_shared_memory(unsigned long start, unsigned long size);
+extern int remove_shared_memory(unsigned long start, unsigned long size);
+
/*
* No page table caches to initialise
*/
#define pgtable_cache_init() do { } while (0)
+#define __HAVE_ARCH_MEMMAP_INIT
+extern void memmap_init(unsigned long, int, unsigned long, unsigned long);
+
#define __HAVE_ARCH_PTEP_ESTABLISH
#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG