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[v2,1/2] ARM: memory: use SZ_ constants for defining the virtual memory layout

Message ID 1359644949-18550-1-git-send-email-will.deacon@arm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Will Deacon Jan. 31, 2013, 3:09 p.m. UTC 
Parts of the virtual memory layout (mainly the modules area) are
described using open-coded immediate values.

Use the SZ_ definitions from linux/sizes.h instead to make the code
clearer.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
 arch/arm/include/asm/memory.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 73cf03a..924320f 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -36,23 +36,23 @@ 
  * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area
  */
 #define PAGE_OFFSET		UL(CONFIG_PAGE_OFFSET)
-#define TASK_SIZE		(UL(CONFIG_PAGE_OFFSET) - UL(0x01000000))
+#define TASK_SIZE		(UL(CONFIG_PAGE_OFFSET) - UL(SZ_16M))
 #define TASK_UNMAPPED_BASE	(UL(CONFIG_PAGE_OFFSET) / 3)
 
 /*
  * The maximum size of a 26-bit user space task.
  */
-#define TASK_SIZE_26		UL(0x04000000)
+#define TASK_SIZE_26		(UL(1) << 26)
 
 /*
  * The module space lives between the addresses given by TASK_SIZE
  * and PAGE_OFFSET - it must be within 32MB of the kernel text.
  */
 #ifndef CONFIG_THUMB2_KERNEL
-#define MODULES_VADDR		(PAGE_OFFSET - 16*1024*1024)
+#define MODULES_VADDR		(PAGE_OFFSET - SZ_16M)
 #else
 /* smaller range for Thumb-2 symbols relocation (2^24)*/
-#define MODULES_VADDR		(PAGE_OFFSET - 8*1024*1024)
+#define MODULES_VADDR		(PAGE_OFFSET - SZ_8M)
 #endif
 
 #if TASK_SIZE > MODULES_VADDR