Searched refs:VM_DONTCOPY (Results 1 – 4 of 4) sorted by relevance
53 MadvFlags::MADV_DONTFORK => new_flags |= VmFlags::VM_DONTCOPY, in do_madvise()59 new_flags &= !VmFlags::VM_DONTCOPY; in do_madvise()
134 #define VM_DONTCOPY (1 << 8) // 当fork的时候不拷贝该虚拟内存区域 macro
68 const VM_DONTCOPY = 0x00020000; constant
28 4. 创建VMA，并将VMA标记为`VM_IO|VM_DONTCOPY`。MMIO的vma只绑定在`initial_mm`下，且不会被拷贝。