gcc-4.6: mm: fix unused but set warnings
No real bugs, just some dead code and some fixups.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 67460f0..e3060ef 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -73,7 +73,11 @@
}
#define kmap_atomic_prot(page, idx, prot) kmap_atomic(page, idx)
-#define kunmap_atomic_notypecheck(addr, idx) do { pagefault_enable(); } while (0)
+static inline void kunmap_atomic_notypecheck(void *addr, enum km_type idx)
+{
+ pagefault_enable();
+}
+
#define kmap_atomic_pfn(pfn, idx) kmap_atomic(pfn_to_page(pfn), (idx))
#define kmap_atomic_to_page(ptr) virt_to_page(ptr)
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h
index ee24ef8..c04ecfe 100644
--- a/include/linux/mmdebug.h
+++ b/include/linux/mmdebug.h
@@ -4,7 +4,7 @@
#ifdef CONFIG_DEBUG_VM
#define VM_BUG_ON(cond) BUG_ON(cond)
#else
-#define VM_BUG_ON(cond) do { } while (0)
+#define VM_BUG_ON(cond) do { (void)(cond); } while (0)
#endif
#ifdef CONFIG_DEBUG_VIRTUAL