函数逻辑报告

函数名称：sg_alloc_table_from_pages - Allocate and initialize an sg table from* an array of pages*@sgt: The sg table header to use*@pages: Pointer to an array of page pointers*@n_pages: Number of pages in the pages array*@offset: Offset from start of the first page

函数原型：int sg_alloc_table_from_pages(struct sg_table *sgt, struct page **pages, unsigned int n_pages, unsigned int offset, unsigned long size, gfp_t gfp_mask)

返回类型：int

参数：