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pte_update_phys(): update physical address of a PTE

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Balazs Gerofi
2017-05-04 04:47:16 +09:00
parent 7a606baad4
commit 06f824c829
1 changed files with 5 additions and 0 deletions
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5
arch/x86/kernel/include/arch-memory.h
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@ -204,6 +204,11 @@ static inline int pte_is_fileoff(pte_t *ptep, size_t pgsize)
} }
} }
static inline void pte_update_phys(pte_t *ptep, unsigned long phys)
{
*ptep = (*ptep & ~PT_PHYSMASK) | (phys & PT_PHYSMASK);
}
static inline uintptr_t pte_get_phys(pte_t *ptep) static inline uintptr_t pte_get_phys(pte_t *ptep)
{ {
return (*ptep & PT_PHYSMASK); return (*ptep & PT_PHYSMASK);