diff options
Diffstat (limited to 'include/linux/libnvdimm.h')
| -rw-r--r-- | include/linux/libnvdimm.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index 9b8d81a7b80e..3eaad2fbf284 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -174,4 +174,19 @@ u64 nd_fletcher64(void *addr, size_t len, bool le); void nvdimm_flush(struct nd_region *nd_region); int nvdimm_has_flush(struct nd_region *nd_region); int nvdimm_has_cache(struct nd_region *nd_region); + +#ifdef CONFIG_ARCH_HAS_PMEM_API +#define ARCH_MEMREMAP_PMEM MEMREMAP_WB +void arch_wb_cache_pmem(void *addr, size_t size); +void arch_invalidate_pmem(void *addr, size_t size); +#else +#define ARCH_MEMREMAP_PMEM MEMREMAP_WT +static inline void arch_wb_cache_pmem(void *addr, size_t size) +{ +} +static inline void arch_invalidate_pmem(void *addr, size_t size) +{ +} +#endif + #endif /* __LIBNVDIMM_H__ */ |