diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-12 18:36:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-12 18:36:11 -0700 |
| commit | 4505a4938917f4872efcc90bc1e5f4f0ce903b47 (patch) | |
| tree | e049aed70101694b599ae53e6f56bff66d37f8a7 /arch/mips/include/asm/processor.h | |
| parent | fedfb947b2235c1085df97cf52f688b808c3a515 (diff) | |
| parent | f6be75d03c8870be91e6e2a195648ece04b6bb16 (diff) | |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (36 commits)
MIPS: Calculate proper ebase value for 64-bit kernels
MIPS: Alchemy: DB1200: Remove custom wait implementation
MIPS: Big Sur: Make defconfig more useful.
MIPS: Fix __vmalloc() etc. on MIPS for non-GPL modules
MIPS: Sibyte: Fix M3 TLB exception handler workaround.
MIPS: BCM63xx: Fix build failure in board_bcm963xx.c
MIPS: uasm: Add OR instruction.
MIPS: Sibyte: Apply M3 workaround only on affected chip types and versions.
MIPS: BCM63xx: Initialize gpio_out_low & out_high to current value at boot.
MIPS: BCM63xx: Register SSB SPROM fallback in board's first stage callback
MIPS: BCM63xx: Fix typo in cpu-feature-overrides file.
MIPS: BCM63xx: Add support for second uart.
MIPS: BCM63xx: Fix double gpio registration.
MIPS: BCM63xx: Add DWVS0 board
MIPS: BCM63xx: Add the RTA1025W-16 BCM6348-based board to suppported boards.
MIPS: BCM63xx: Fix BCM6338 and BCM6345 gpio count
MIPS: libgcc.h: Checkpatch cleanup
MIPS: Loongson-2F: Flush the branch target history in BTB and RAS
MIPS: Move signal trampolines off of the stack.
MIPS: Preliminary VDSO
...
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 |