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MIPS: Fix build failure by adding definition of pfn_pmd().

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With CONFIG_TRANSPARENT_HUGEPAGE=y and CONFIG_HUGETLBFS=y we get the
following build failure:

  CC      mm/huge_memory.o
mm/huge_memory.c: In function 'set_huge_zero_page':
mm/huge_memory.c:780:2: error: implicit declaration of function 'pfn_pmd' [-Werror=implicit-function-declaration]
mm/huge_memory.c:780:8: error: incompatible types when assigning to type 'pmd_t' from type 'int'

Add a definition of pfn_pmd() for 64-bit kernels (the only place huge
pages are currently supported).

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4813/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2013-01-18 18:16:40 +00:00 committed by Ralf Baechle
parent 757be67f56
commit 86ea9c51b9
1 changed files with 1 additions and 0 deletions
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arch/mips/include/asm/pgtable-64.h
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@ -230,6 +230,7 @@ static inline void pud_clear(pud_t *pudp)
#else #else
#define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT)) #define pte_pfn(x) ((unsigned long)((x).pte >> _PFN_SHIFT))
#define pfn_pte(pfn, prot) __pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot)) #define pfn_pte(pfn, prot) __pte(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
#define pfn_pmd(pfn, prot) __pmd(((pfn) << _PFN_SHIFT) | pgprot_val(prot))
#endif #endif
#define __pgd_offset(address) pgd_index(address) #define __pgd_offset(address) pgd_index(address)