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| author | Paul Mundt <lethal@linux-sh.org> | 2010-04-26 11:08:27 +0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-04-26 11:08:27 +0400 |
| commit | e19553427c2e8fdb04fdd98e407164bb59a840ba (patch) | |
| tree | 5332234b2dad07c03c27e4608afb16f297f41e61 /arch/mips/include/asm/processor.h | |
| parent | 35f6cd4a06432034665a1499ca4b022437423aac (diff) | |
| parent | 83515bc7df812555e20cda48614674e2f346f9f5 (diff) | |
| download | linux-e19553427c2e8fdb04fdd98e407164bb59a840ba.tar.xz | |
Merge branch 'sh/stable-updates'
Conflicts:
arch/sh/kernel/dwarf.c
drivers/dma/shdma.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/mips/include/asm/processor.h')
| -rw-r--r-- | arch/mips/include/asm/processor.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 087a8884ef06..ab387910009a 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -33,13 +33,19 @@ extern void (*cpu_wait)(void); extern unsigned int vced_count, vcei_count; +/* + * A special page (the vdso) is mapped into all processes at the very + * top of the virtual memory space. + */ +#define SPECIAL_PAGES_SIZE PAGE_SIZE + #ifdef CONFIG_32BIT /* * User space process size: 2GB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. */ #define TASK_SIZE 0x7fff8000UL -#define STACK_TOP TASK_SIZE +#define STACK_TOP ((TASK_SIZE & PAGE_MASK) - SPECIAL_PAGES_SIZE) /* * This decides where the kernel will search for a free chunk of vm @@ -59,7 +65,8 @@ extern unsigned int vced_count, vcei_count; #define TASK_SIZE32 0x7fff8000UL #define TASK_SIZE 0x10000000000UL #define STACK_TOP \ - (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE) + (((test_thread_flag(TIF_32BIT_ADDR) ? \ + TASK_SIZE32 : TASK_SIZE) & PAGE_MASK) - SPECIAL_PAGES_SIZE) /* * This decides where the kernel will search for a free chunk of vm |