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| author |   Dan Williams <dan.j.williams@intel.com> | 2016-01-15 16:56:26 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-15 17:56:32 -0800 |
| commit | d2c0f041e1bb1260629ecea2161adb9778945aa3 (patch) | |
| tree | ea5872316fdab194db4faa7a322c6d50652a1c72 /arch/ia64 | |
| parent | x86, mm: introduce vmem_altmap to augment vmemmap_populate() (diff) | |
| download | linux-dev-d2c0f041e1bb1260629ecea2161adb9778945aa3.tar.xz linux-dev-d2c0f041e1bb1260629ecea2161adb9778945aa3.zip | |
libnvdimm, pfn, pmem: allocate memmap array in persistent memory
Use the new vmem_altmap capability to enable the pmem driver to arrange
for a struct page memmap to be established in persistent memory.
[linux@roeck-us.net: mn10300: declare __pfn_to_phys() to fix build error]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/include/asm/page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/page.h b/arch/ia64/include/asm/page.h index ec48bb9f95e1..e8c486ef0d76 100644 --- a/arch/ia64/include/asm/page.h +++ b/arch/ia64/include/asm/page.h @@ -105,6 +105,7 @@ extern struct page *vmem_map; #ifdef CONFIG_DISCONTIGMEM # define page_to_pfn(page) ((unsigned long) (page - vmem_map)) # define pfn_to_page(pfn) (vmem_map + (pfn)) +# define __pfn_to_phys(pfn) PFN_PHYS(pfn) #else # include <asm-generic/memory_model.h> #endif |