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增加vma的page_offset计算
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@ -41,6 +41,8 @@ typedef uint64_t fsfilcnt_t;
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#define __socklen_t uint32_t
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typedef __socklen_t socklen_t;
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#define pgoff_t unsigned long
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struct utimbuf
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{
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time_t actime;
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@ -131,6 +131,7 @@ struct vm_area_struct
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struct vm_operations_t *vm_ops; // 操作方法
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atomic_t ref_count; // 引用计数
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pgoff_t page_offset; // 起始地址在当前VMA所占的2M物理页中的偏移量
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void *private_data;
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};
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@ -400,7 +400,8 @@ int mm_map_vma(struct vm_area_struct *vma, uint64_t paddr)
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if (unlikely(retval != 0))
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goto failed;
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}
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// 计算当前vma的起始地址在对应的物理页中的偏移量
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vma->page_offset = paddr - (paddr & PAGE_2M_MASK);
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flush_tlb();
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return 0;
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failed:;
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