diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 3 | ||||
| -rw-r--r-- | include/linux/mm_types.h | 3 | ||||
| -rw-r--r-- | include/linux/percpu.h | 6 | ||||
| -rw-r--r-- | include/linux/sched.h | 3 |
4 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 065cdf8c09f..b1ea37fc7a2 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -104,6 +104,7 @@ extern unsigned int kobjsize(const void *objp); #define VM_CAN_NONLINEAR 0x08000000 /* Has ->fault & does nonlinear pages */ #define VM_MIXEDMAP 0x10000000 /* Can contain "struct page" and pure PFN pages */ #define VM_SAO 0x20000000 /* Strong Access Ordering (powerpc) */ +#define VM_PFN_AT_MMAP 0x40000000 /* PFNMAP vma that is fully mapped at mmap time */ #ifndef VM_STACK_DEFAULT_FLAGS /* arch can override this */ #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS @@ -145,7 +146,7 @@ extern pgprot_t protection_map[16]; */ static inline int is_linear_pfn_mapping(struct vm_area_struct *vma) { - return ((vma->vm_flags & VM_PFNMAP) && vma->vm_pgoff); + return (vma->vm_flags & VM_PFN_AT_MMAP); } static inline int is_pfn_mapping(struct vm_area_struct *vma) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 92915e81443..d84feb7bdbf 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -276,4 +276,7 @@ struct mm_struct { #endif }; +/* Future-safe accessor for struct mm_struct's cpu_vm_mask. */ +#define mm_cpumask(mm) (&(mm)->cpu_vm_mask) + #endif /* _LINUX_MM_TYPES_H */ diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 54a968b4b92..ee5615d6521 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -107,10 +107,14 @@ typedef void (*pcpu_populate_pte_fn_t)(unsigned long addr); extern size_t __init pcpu_setup_first_chunk(pcpu_get_page_fn_t get_page_fn, size_t static_size, size_t reserved_size, - ssize_t unit_size, ssize_t dyn_size, + ssize_t dyn_size, ssize_t unit_size, void *base_addr, pcpu_populate_pte_fn_t populate_pte_fn); +extern ssize_t __init pcpu_embed_first_chunk( + size_t static_size, size_t reserved_size, + ssize_t dyn_size, ssize_t unit_size); + /* * Use this to get to a cpu's version of the per-cpu object * dynamically allocated. Non-atomic access to the current CPU's diff --git a/include/linux/sched.h b/include/linux/sched.h index a7c7698583b..46d680643f8 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1418,6 +1418,9 @@ struct task_struct { #endif }; +/* Future-safe accessor for struct task_struct's cpus_allowed. */ +#define tsk_cpumask(tsk) (&(tsk)->cpus_allowed) + /* * Priority of a process goes from 0..MAX_PRIO-1, valid RT * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH |