diff options
Diffstat (limited to 'include/linux/pfn_t.h')
| -rw-r--r-- | include/linux/pfn_t.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/pfn_t.h b/include/linux/pfn_t.h index a3d90b9da18d..a49b3259cad7 100644 --- a/include/linux/pfn_t.h +++ b/include/linux/pfn_t.h @@ -15,6 +15,12 @@ #define PFN_DEV (1ULL << (BITS_PER_LONG_LONG - 3)) #define PFN_MAP (1ULL << (BITS_PER_LONG_LONG - 4)) +#define PFN_FLAGS_TRACE \ + { PFN_SG_CHAIN, "SG_CHAIN" }, \ + { PFN_SG_LAST, "SG_LAST" }, \ + { PFN_DEV, "DEV" }, \ + { PFN_MAP, "MAP" } + static inline pfn_t __pfn_to_pfn_t(unsigned long pfn, u64 flags) { pfn_t pfn_t = { .val = pfn | (flags & PFN_FLAGS_MASK), }; @@ -84,6 +90,13 @@ static inline pmd_t pfn_t_pmd(pfn_t pfn, pgprot_t pgprot) { return pfn_pmd(pfn_t_to_pfn(pfn), pgprot); } + +#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD +static inline pud_t pfn_t_pud(pfn_t pfn, pgprot_t pgprot) +{ + return pfn_pud(pfn_t_to_pfn(pfn), pgprot); +} +#endif #endif #ifdef __HAVE_ARCH_PTE_DEVMAP @@ -100,5 +113,10 @@ static inline bool pfn_t_devmap(pfn_t pfn) } pte_t pte_mkdevmap(pte_t pte); pmd_t pmd_mkdevmap(pmd_t pmd); +#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && \ + defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD) +pud_t pud_mkdevmap(pud_t pud); #endif +#endif /* __HAVE_ARCH_PTE_DEVMAP */ + #endif /* _LINUX_PFN_T_H_ */ |