Linux 核心--16.Linux数据结构(19) struct tq_struct { struct tq_struct *next; /* linked list of active bh's */ int sync; /* must be initialized to zero */ void (*routine)(void *); /* function to call */ void *data; /* argument to function */ };
vm_area_struct 表示某进程的一个虚拟内存区域。
struct vm_area_struct { struct mm_struct * vm_mm; /* VM area parameters */ unsigned long vm_start; unsigned long vm_end; pgprot_t vm_page_prot; unsigned short vm_flags; /* AVL tree of VM areas per task, sorted by address */ short vm_avl_height; struct vm_area_struct * vm_avl_left; struct vm_area_struct * vm_avl_right; /* linked list of VM areas per task, sorted by address */ struct vm_area_struct * vm_next; /* for areas with inode, the circular list inode->i_mmap */ /* for shm areas, the circular list of attaches */ /* otherwise unused */ struct vm_area_struct * vm_next_share; struct vm_area_struct * vm_prev_share; /* more */ struct vm_operations_struct * vm_ops; unsigned long vm_offset; struct inode * vm_inode; unsigned long vm_pte; /* shared mem */ };
