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增加vma的page_offset计算

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fslongjin
2022-08-15 16:58:56 +08:00
parent a296b79dbc
commit cec44c1fd7
3 changed files with 5 additions and 1 deletions
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3
kernel/mm/mmap.c
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@ -400,7 +400,8 @@ int mm_map_vma(struct vm_area_struct *vma, uint64_t paddr)
if (unlikely(retval != 0))
goto failed;
}
// 计算当前vma的起始地址在对应的物理页中的偏移量
vma->page_offset = paddr - (paddr & PAGE_2M_MASK);
flush_tlb();
return 0;
failed:;