diff options
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r-- | include/linux/mm.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 8f468e0d2534..727f799757ab 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -72,6 +72,10 @@ extern int mmap_rnd_compat_bits __read_mostly; #define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0)) #endif +#ifndef page_to_virt +#define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x))) +#endif + /* * To prevent common memory management code establishing * a zero page mapping on a read fault. @@ -957,7 +961,7 @@ static inline struct mem_cgroup *page_memcg(struct page *page) static __always_inline void *lowmem_page_address(const struct page *page) { - return __va(PFN_PHYS(page_to_pfn(page))); + return page_to_virt(page); } #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) |