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。
As for the undivided linear sample space, the kernel function is needed to map onto another high dimension linear space.
对于线性不可分的样本空间,需要寻找核函数,将线性不可分的样本集映射到另一个高维线性空间。
Using linear programming technique and scaling kernel function, the support vector regression model was obtained.
通过线性规划技术和采用尺度函数作为核函数来实现支持向量回归模型。
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