Within a driver, the mmap function is implemented through the remap_pfn_range kernel function, which provides a linear mapping of device memory into a user's address space.

在一个驱动程序中，mmap函数通过remap _ pfn_range内核函数实现，它提供设备内存到用户地址空间的线性映射。

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This paper deals with the static electricity field by conformal mapping for angular space inside an infinite linear charge be located with boundary made in conductor.

对导体平板构成的角域内具有线电荷密度的静电场进行了求解。

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