diff options
Diffstat (limited to 'drivers/nvdimm/pfn.h')
| -rw-r--r-- | drivers/nvdimm/pfn.h | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/drivers/nvdimm/pfn.h b/drivers/nvdimm/pfn.h index dde9853453d3..7381673b7b70 100644 --- a/drivers/nvdimm/pfn.h +++ b/drivers/nvdimm/pfn.h @@ -1,14 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2014-2015, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __NVDIMM_PFN_H @@ -36,22 +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 */ |