Kernel space is flagged in the page tables as exclusive to privileged code (ring 2 or lower), hence a page fault is triggered if user-mode programs try to touch it.
系统内核所使用的内存空间通过特权码（privileged code，2级或者更低）来标记，以防止用户模式的程序访问到内核空间而发生页面错误。
The utility model relates to a cross axle universal coupling, which is characterized in that a cross axle head is composed of a cross axle ring (2) and four axle extensions (3).
一种新型的十字轴式万向联轴器，其特征在于十字轴头是由十字轴环(2)与四个轴伸(3)所组成。
According to the invention, the final contour of the bearing ring (2) is created by means of a hard turning process.
按照本发明轴承环(2)的最终轮廓通过硬车削法制造。
According to the invention, the final contour of the bearing ring (2) is created by means of a hard turning process.
按照本发明轴承环(2)的最终轮廓通过硬车削法制造。
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