diff options
author | Will Deacon <will.deacon@arm.com> | 2013-01-31 13:19:30 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-02-16 12:54:17 -0500 |
commit | 5d1c20bce5bc1a7a94bca1324451532c28c89e36 (patch) | |
tree | 8729b35f5c4f1d23834dc88baf1c8b5bf3783122 /arch | |
parent | e3e92a7be6936dff1de80e66b0b683d54e9e02d8 (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')
-rw-r--r-- | arch/arm/include/asm/memory.h | 8 |
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 |