tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
um: fix __pa/__va macro expansion problem
Proper parentheses around arguments needed, especially as the macros use
a high-precedence cast operator on the argument.
+2
-2
+2
-2
include/asm-um/page.h
+2
-2
include/asm-um/page.h
···
104
104
* casting is the right thing, but 32-bit UML can't have 64-bit virtual
105
105
* addresses
106
106
*/
107
-
#define __pa(virt) to_phys((void *) (unsigned long) virt)
108
-
#define __va(phys) to_virt((unsigned long) phys)
107
+
#define __pa(virt) to_phys((void *) (unsigned long) (virt))
108
+
#define __va(phys) to_virt((unsigned long) (phys))
109
109
110
110
#define page_to_pfn(page) ((page) - mem_map)
111
111
#define pfn_to_page(pfn) (mem_map + (pfn))