diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-um/page.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/asm-um/page.h b/include/asm-um/page.h index 504ea8e486b..5afee8a8cdf 100644 --- a/include/asm-um/page.h +++ b/include/asm-um/page.h @@ -98,7 +98,13 @@ extern unsigned long uml_physmem; extern unsigned long to_phys(void *virt); extern void *to_virt(unsigned long phys); -#define __pa(virt) to_phys((void *) virt) + +/* Cast to unsigned long before casting to void * to avoid a warning from + * mmap_kmem about cutting a long long down to a void *. Not sure that + * casting is the right thing, but 32-bit UML can't have 64-bit virtual + * addresses + */ +#define __pa(virt) to_phys((void *) (unsigned long) virt) #define __va(phys) to_virt((unsigned long) phys) #define page_to_pfn(page) ((page) - mem_map) |