[PATCH] arch: Cleanup unused functions

[guoren]

From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>

These functions haven't been used, so just remove them. The patch
has been tested with riscv, but I only use grep to check the
microblaze's.

Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
---
 arch/microblaze/include/asm/page.h |  3 ---
 arch/riscv/include/asm/page.h      | 10 ----------
 2 files changed, 13 deletions(-)

diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index bf681f2..ce55097 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -35,9 +35,6 @@
 
 #define ARCH_SLAB_MINALIGN	L1_CACHE_BYTES
 
-#define PAGE_UP(addr)	(((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
-#define PAGE_DOWN(addr)	((addr)&(~((PAGE_SIZE)-1)))
-
 /*
  * PAGE_OFFSET -- the first address of the first page of memory. With MMU
  * it is set to the kernel start address (aligned on a page boundary).
diff --git a/arch/riscv/include/asm/page.h b/arch/riscv/include/asm/page.h
index 6a7761c..a1b888f 100644
--- a/arch/riscv/include/asm/page.h
+++ b/arch/riscv/include/asm/page.h
@@ -37,16 +37,6 @@
 
 #ifndef __ASSEMBLY__
 
-#define PAGE_UP(addr)	(((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
-#define PAGE_DOWN(addr)	((addr)&(~((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)))
-
-/* align addr on a size boundary - adjust address up if needed */
-#define _ALIGN(addr, size)	_ALIGN_UP(addr, size)
-
 #define clear_page(pgaddr)			memset((pgaddr), 0, PAGE_SIZE)
 #define copy_page(to, from)			memcpy((to), (from), PAGE_SIZE)
 
-- 
2.7.4