This avoid errors like
unsigned int usize = 1 << 30;
int size = 1 << 30;
unsigned long addr = 64UL << 30 ;
value = _ALIGN_DOWN(addr, usize); -> 0
value = _ALIGN_DOWN(addr, size); -> 0x1000000000
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
arch/powerpc/boot/page.h | 4 ++--
arch/powerpc/include/asm/page.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/boot/page.h b/arch/powerpc/boot/page.h
index 14eca30fef64..87c42d7d283d 100644
--- a/arch/powerpc/boot/page.h
+++ b/arch/powerpc/boot/page.h
@@ -22,8 +22,8 @@
#define PAGE_MASK (~(PAGE_SIZE-1))
/* align addr on a size boundary - adjust address up/down if needed */
-#define _ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1)))
-#define _ALIGN_DOWN(addr,size) ((addr)&(~((size)-1)))
+#define _ALIGN_UP(addr, size)
(((addr)+((size)-1))&(~((typeof(addr))(size)-1)))
+#define _ALIGN_DOWN(addr, size) ((addr)&(~((typeof(addr))(size)-1)))
/* align addr on a size boundary - adjust address up if needed */
#define _ALIGN(addr,size) _ALIGN_UP(addr,size)
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 71294a6e976e..1dd69774a31c 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -240,8 +240,8 @@ extern long long virt_phys_offset;
#endif
/* align addr on a size boundary - adjust address up/down if needed */
-#define _ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1)))
-#define _ALIGN_DOWN(addr,size) ((addr)&(~((size)-1)))
+#define _ALIGN_UP(addr, size)
(((addr)+((size)-1))&(~((typeof(addr))(size)-1)))
+#define _ALIGN_DOWN(addr, size) ((addr)&(~((typeof(addr))(size)-1)))
/* align addr on a size boundary - adjust address up if needed */
#define _ALIGN(addr,size) _ALIGN_UP(addr,size)
--
2.5.0
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
