diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2016-01-16 01:56:08 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-16 02:56:32 +0100 |
| commit | 16da306849d0335af7c353ec14121cf422433d33 (patch) | |
| tree | 0397613223430e84f140ff144737089da95870d3 /arch | |
| parent | dax: Split pmd map when fallback on COW (diff) | |
| download | linux-16da306849d0335af7c353ec14121cf422433d33.tar.xz linux-16da306849d0335af7c353ec14121cf422433d33.zip | |
um: kill pfn_t
The core has developed a need for a "pfn_t" type [1]. Convert the usage
of pfn_t by usermode-linux to an unsigned long, and update pfn_to_phys()
to drop its expectation of a typed pfn.
[1]: https://lists.01.org/pipermail/linux-nvdimm/2015-September/002199.html
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/um/include/asm/page.h | 7 | ||||
| -rw-r--r-- | arch/um/include/asm/pgtable-3level.h | 4 | ||||
| -rw-r--r-- | arch/um/include/asm/pgtable.h | 2 |
3 files changed, 6 insertions, 7 deletions
diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h index 71c5d132062a..e13d41c392ae 100644 --- a/arch/um/include/asm/page.h +++ b/arch/um/include/asm/page.h @@ -18,6 +18,7 @@ struct page; +#include <linux/pfn.h> #include <linux/types.h> #include <asm/vm-flags.h> @@ -52,7 +53,6 @@ typedef struct { unsigned long pgd; } pgd_t; #define pmd_val(x) ((x).pmd) #define __pmd(x) ((pmd_t) { (x) } ) -typedef unsigned long long pfn_t; typedef unsigned long long phys_t; #else @@ -76,7 +76,6 @@ typedef struct { unsigned long pmd; } pmd_t; #define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE)) #define pte_set_val(p, phys, prot) (p).pte = (phys | pgprot_val(prot)) -typedef unsigned long pfn_t; typedef unsigned long phys_t; #endif @@ -109,8 +108,8 @@ extern unsigned long uml_physmem; #define __pa(virt) to_phys((void *) (unsigned long) (virt)) #define __va(phys) to_virt((unsigned long) (phys)) -#define phys_to_pfn(p) ((pfn_t) ((p) >> PAGE_SHIFT)) -#define pfn_to_phys(pfn) ((phys_t) ((pfn) << PAGE_SHIFT)) +#define phys_to_pfn(p) ((p) >> PAGE_SHIFT) +#define pfn_to_phys(pfn) PFN_PHYS(pfn) #define pfn_valid(pfn) ((pfn) < max_mapnr) #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v))) diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h index 2b4274e7c095..bae8523a162f 100644 --- a/arch/um/include/asm/pgtable-3level.h +++ b/arch/um/include/asm/pgtable-3level.h @@ -98,7 +98,7 @@ static inline unsigned long pte_pfn(pte_t pte) return phys_to_pfn(pte_val(pte)); } -static inline pte_t pfn_pte(pfn_t page_nr, pgprot_t pgprot) +static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot) { pte_t pte; phys_t phys = pfn_to_phys(page_nr); @@ -107,7 +107,7 @@ static inline pte_t pfn_pte(pfn_t page_nr, pgprot_t pgprot) return pte; } -static inline pmd_t pfn_pmd(pfn_t page_nr, pgprot_t pgprot) +static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot) { return __pmd((page_nr << PAGE_SHIFT) | pgprot_val(pgprot)); } diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index 18eb9924dda3..7485398d0737 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -271,7 +271,7 @@ static inline int pte_same(pte_t pte_a, pte_t pte_b) #define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys)) #define __virt_to_page(virt) phys_to_page(__pa(virt)) -#define page_to_phys(page) pfn_to_phys((pfn_t) page_to_pfn(page)) +#define page_to_phys(page) pfn_to_phys(page_to_pfn(page)) #define virt_to_page(addr) __virt_to_page((const unsigned long) addr) #define mk_pte(page, pgprot) \ |