[PATCH 1/2] ARM: memory: use SZ_ constants for defining the virtual memory layout
Will Deacon
will.deacon at arm.com
Wed Jan 30 09:08:31 EST 2013
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.
Signed-off-by: Will Deacon <will.deacon at arm.com>
---
arch/arm/include/asm/memory.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 73cf03a..a0fd518 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(SZ_64M)
/*
* 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
--
1.8.0
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