diff options
Diffstat (limited to 'include/linux/mmu_context.h')
| -rw-r--r-- | include/linux/mmu_context.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/include/linux/mmu_context.h b/include/linux/mmu_context.h index 03dee12d2b61..ac01dc4eb2ce 100644 --- a/include/linux/mmu_context.h +++ b/include/linux/mmu_context.h @@ -11,7 +11,36 @@ #endif #ifndef leave_mm -static inline void leave_mm(int cpu) { } +static inline void leave_mm(void) { } +#endif + +/* + * CPUs that are capable of running user task @p. Must contain at least one + * active CPU. It is assumed that the kernel can run on all CPUs, so calling + * this for a kernel thread is pointless. + * + * By default, we assume a sane, homogeneous system. + */ +#ifndef task_cpu_possible_mask +# define task_cpu_possible_mask(p) cpu_possible_mask +# define task_cpu_possible(cpu, p) true +# define task_cpu_fallback_mask(p) housekeeping_cpumask(HK_TYPE_TICK) +#else +# define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p)) +#endif + +#ifndef mm_untag_mask +static inline unsigned long mm_untag_mask(struct mm_struct *mm) +{ + return -1UL; +} +#endif + +#ifndef arch_pgtable_dma_compat +static inline bool arch_pgtable_dma_compat(struct mm_struct *mm) +{ + return true; +} #endif #endif |