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>
This commit is contained in:
parent
e3e92a7be6
commit
5d1c20bce5
@ -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
|
||||
|
Loading…
x
Reference in New Issue
Block a user