The last step is executing the writes. This is achieved through copy_to_user_page(), which is essentially a memcpy. Since the destination is the writable mapping from kmap(), this just works.
在四足机器人领域，宇树全球垄断级领先。2024年销量2.37万台，全球市占率达69.75%，贡献了全公司65%的营收；2025年上半年，中国四足机器人市场CR3(前三企业集中度)高达85.17%，其中宇树以60.11%的占有率稳居第一。，详情可参考Snipaste - 截图 + 贴图
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At least 17 people, most of them schoolgirls, were killed on Wednesday when an explosive-laden drone blamed on Sudan’s paramilitary Rapid Support Forces struck a secondary school and a health care centre.