增加vma的page_offset计算

2025-06-18 20:36:31 +00:00 · 2022-08-15 16:58:56 +08:00
parent a296b79dbc
commit cec44c1fd7
3 changed files with 5 additions and 1 deletions
--- a/kernel/mm/mm-types.h
+++ b/kernel/mm/mm-types.h
@ -131,6 +131,7 @@ struct vm_area_struct

    struct vm_operations_t *vm_ops; // 操作方法
    atomic_t ref_count;             // 引用计数
+    pgoff_t page_offset;    // 起始地址在当前VMA所占的2M物理页中的偏移量
    void *private_data;
 };