diff options
Diffstat (limited to 'drivers/nvdimm/pfn.h')
| -rw-r--r-- | drivers/nvdimm/pfn.h | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/nvdimm/pfn.h b/drivers/nvdimm/pfn.h index f58b849e455b..7381673b7b70 100644 --- a/drivers/nvdimm/pfn.h +++ b/drivers/nvdimm/pfn.h @@ -28,22 +28,9 @@ struct nd_pfn_sb { __le32 end_trunc; /* minor-version-2 record the base alignment of the mapping */ __le32 align; + /* minor-version-3 guarantee the padding and flags are zero */ u8 padding[4000]; __le64 checksum; }; -#ifdef CONFIG_SPARSEMEM -#define PFN_SECTION_ALIGN_DOWN(x) SECTION_ALIGN_DOWN(x) -#define PFN_SECTION_ALIGN_UP(x) SECTION_ALIGN_UP(x) -#else -/* - * In this case ZONE_DEVICE=n and we will disable 'pfn' device support, - * but we still want pmem to compile. - */ -#define PFN_SECTION_ALIGN_DOWN(x) (x) -#define PFN_SECTION_ALIGN_UP(x) (x) -#endif - -#define PHYS_SECTION_ALIGN_DOWN(x) PFN_PHYS(PFN_SECTION_ALIGN_DOWN(PHYS_PFN(x))) -#define PHYS_SECTION_ALIGN_UP(x) PFN_PHYS(PFN_SECTION_ALIGN_UP(PHYS_PFN(x))) #endif /* __NVDIMM_PFN_H */ |