diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/arc/include/asm/processor.h | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'arch/arc/include/asm/processor.h')
| -rw-r--r-- | arch/arc/include/asm/processor.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h index ee682d8e0..1d694c1ef 100644 --- a/arch/arc/include/asm/processor.h +++ b/arch/arc/include/asm/processor.h @@ -57,11 +57,7 @@ struct task_struct; * A lot of busy-wait loops in SMP are based off of non-volatile data otherwise * get optimised away by gcc */ -#ifdef CONFIG_SMP #define cpu_relax() __asm__ __volatile__ ("" : : : "memory") -#else -#define cpu_relax() do { } while (0) -#endif #define cpu_relax_lowlatency() cpu_relax() @@ -114,7 +110,12 @@ extern unsigned int get_wchan(struct task_struct *p); * ----------------------------------------------------------------------------- */ #define VMALLOC_START 0x70000000 -#define VMALLOC_SIZE (PAGE_OFFSET - VMALLOC_START) + +/* + * 1 PGDIR_SIZE each for fixmap/pkmap, 2 PGDIR_SIZE gutter + * See asm/highmem.h for details + */ +#define VMALLOC_SIZE (PAGE_OFFSET - VMALLOC_START - PGDIR_SIZE * 4) #define VMALLOC_END (VMALLOC_START + VMALLOC_SIZE) #define USER_KERNEL_GUTTER 0x10000000 |