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修正fork的时候没有正确拷贝vm holes的bug (#433)

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LoGin 2023-11-12 13:40:17 +08:00 committed by GitHub
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kernel/src/mm/ucontext.rs
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@ -162,6 +162,9 @@ impl InnerAddressSpace {
let current_mapper = &mut self.user_mapper.utable; let current_mapper = &mut self.user_mapper.utable;
// 拷贝空洞
new_guard.mappings.vm_holes = self.mappings.vm_holes.clone();
for vma in self.mappings.vmas.iter() { for vma in self.mappings.vmas.iter() {
// TODO: 增加对VMA是否为文件映射的判断，如果是的话，就跳过 // TODO: 增加对VMA是否为文件映射的判断，如果是的话，就跳过