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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>
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@ -18,6 +18,7 @@
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struct page;
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#include <linux/pfn.h>
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#include <linux/types.h>
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#include <asm/vm-flags.h>
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@ -52,7 +53,6 @@ typedef struct { unsigned long pgd; } pgd_t;
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#define pmd_val(x) ((x).pmd)
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#define __pmd(x) ((pmd_t) { (x) } )
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typedef unsigned long long pfn_t;
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typedef unsigned long long phys_t;
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#else
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@ -76,7 +76,6 @@ typedef struct { unsigned long pmd; } pmd_t;
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#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE))
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#define pte_set_val(p, phys, prot) (p).pte = (phys | pgprot_val(prot))
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typedef unsigned long pfn_t;
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typedef unsigned long phys_t;
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#endif
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@ -109,8 +108,8 @@ extern unsigned long uml_physmem;
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#define __pa(virt) to_phys((void *) (unsigned long) (virt))
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#define __va(phys) to_virt((unsigned long) (phys))
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#define phys_to_pfn(p) ((pfn_t) ((p) >> PAGE_SHIFT))
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#define pfn_to_phys(pfn) ((phys_t) ((pfn) << PAGE_SHIFT))
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#define phys_to_pfn(p) ((p) >> PAGE_SHIFT)
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#define pfn_to_phys(pfn) PFN_PHYS(pfn)
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#define pfn_valid(pfn) ((pfn) < max_mapnr)
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#define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v)))
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@ -98,7 +98,7 @@ static inline unsigned long pte_pfn(pte_t pte)
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return phys_to_pfn(pte_val(pte));
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}
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static inline pte_t pfn_pte(pfn_t page_nr, pgprot_t pgprot)
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static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
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{
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pte_t pte;
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phys_t phys = pfn_to_phys(page_nr);
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@ -107,7 +107,7 @@ static inline pte_t pfn_pte(pfn_t page_nr, pgprot_t pgprot)
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return pte;
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}
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static inline pmd_t pfn_pmd(pfn_t page_nr, pgprot_t pgprot)
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static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
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{
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return __pmd((page_nr << PAGE_SHIFT) | pgprot_val(pgprot));
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}
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@ -271,7 +271,7 @@ static inline int pte_same(pte_t pte_a, pte_t pte_b)
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#define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys))
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#define __virt_to_page(virt) phys_to_page(__pa(virt))
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#define page_to_phys(page) pfn_to_phys((pfn_t) page_to_pfn(page))
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#define page_to_phys(page) pfn_to_phys(page_to_pfn(page))
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#define virt_to_page(addr) __virt_to_page((const unsigned long) addr)
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#define mk_pte(page, pgprot) \
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