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authorWill Deacon <will.deacon@arm.com>2013-01-31 13:19:30 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-02-16 12:54:17 -0500
commit5d1c20bce5bc1a7a94bca1324451532c28c89e36 (patch)
tree8729b35f5c4f1d23834dc88baf1c8b5bf3783122 /arch/arm/include/asm/memory.h
parente3e92a7be6936dff1de80e66b0b683d54e9e02d8 (diff)
ARM: 7637/1: memory: use SZ_ constants for defining the virtual memory layout
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> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/memory.h')
-rw-r--r--arch/arm/include/asm/memory.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 73cf03aa981e..924320f4f22a 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -36,23 +36,23 @@
36 * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area 36 * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area
37 */ 37 */
38#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET) 38#define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET)
39#define TASK_SIZE (UL(CONFIG_PAGE_OFFSET) - UL(0x01000000)) 39#define TASK_SIZE (UL(CONFIG_PAGE_OFFSET) - UL(SZ_16M))
40#define TASK_UNMAPPED_BASE (UL(CONFIG_PAGE_OFFSET) / 3) 40#define TASK_UNMAPPED_BASE (UL(CONFIG_PAGE_OFFSET) / 3)
41 41
42/* 42/*
43 * The maximum size of a 26-bit user space task. 43 * The maximum size of a 26-bit user space task.
44 */ 44 */
45#define TASK_SIZE_26 UL(0x04000000) 45#define TASK_SIZE_26 (UL(1) << 26)
46 46
47/* 47/*
48 * The module space lives between the addresses given by TASK_SIZE 48 * The module space lives between the addresses given by TASK_SIZE
49 * and PAGE_OFFSET - it must be within 32MB of the kernel text. 49 * and PAGE_OFFSET - it must be within 32MB of the kernel text.
50 */ 50 */
51#ifndef CONFIG_THUMB2_KERNEL 51#ifndef CONFIG_THUMB2_KERNEL
52#define MODULES_VADDR (PAGE_OFFSET - 16*1024*1024) 52#define MODULES_VADDR (PAGE_OFFSET - SZ_16M)
53#else 53#else
54/* smaller range for Thumb-2 symbols relocation (2^24)*/ 54/* smaller range for Thumb-2 symbols relocation (2^24)*/
55#define MODULES_VADDR (PAGE_OFFSET - 8*1024*1024) 55#define MODULES_VADDR (PAGE_OFFSET - SZ_8M)
56#endif 56#endif
57 57
58#if TASK_SIZE > MODULES_VADDR 58#if TASK_SIZE > MODULES_VADDR