diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2012-01-20 00:56:50 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-01-20 00:56:50 +0400 |
| commit | 282f445a779ed76fca9884fe377bf56a3088b208 (patch) | |
| tree | d9abcf526baee0100672851e0a8894c19e762a39 /arch/s390/include/asm/pgtable.h | |
| parent | 68f30fbee19cc67849b9fa8e153ede70758afe81 (diff) | |
| parent | 90a4c0f51e8e44111a926be6f4c87af3938a79c3 (diff) | |
| download | linux-282f445a779ed76fca9884fe377bf56a3088b208.tar.xz | |
Merge remote-tracking branch 'linus/master' into x86/urgent
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 4f289ff0b7fe..011358c1b18e 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -128,28 +128,11 @@ static inline int is_zero_pfn(unsigned long pfn) * effect, this also makes sure that 64 bit module code cannot be used * as system call address. */ - extern unsigned long VMALLOC_START; +extern unsigned long VMALLOC_END; +extern struct page *vmemmap; -#ifndef __s390x__ -#define VMALLOC_SIZE (96UL << 20) -#define VMALLOC_END 0x7e000000UL -#define VMEM_MAP_END 0x80000000UL -#else /* __s390x__ */ -#define VMALLOC_SIZE (128UL << 30) -#define VMALLOC_END 0x3e000000000UL -#define VMEM_MAP_END 0x40000000000UL -#endif /* __s390x__ */ - -/* - * VMEM_MAX_PHYS is the highest physical address that can be added to the 1:1 - * mapping. This needs to be calculated at compile time since the size of the - * VMEM_MAP is static but the size of struct page can change. - */ -#define VMEM_MAX_PAGES ((VMEM_MAP_END - VMALLOC_END) / sizeof(struct page)) -#define VMEM_MAX_PFN min(VMALLOC_START >> PAGE_SHIFT, VMEM_MAX_PAGES) -#define VMEM_MAX_PHYS ((VMEM_MAX_PFN << PAGE_SHIFT) & ~((16 << 20) - 1)) -#define vmemmap ((struct page *) VMALLOC_END) +#define VMEM_MAX_PHYS ((unsigned long) vmemmap) /* * A 31 bit pagetable entry of S390 has following format: |