函数逻辑报告

函数名称：vwrite() - write vmalloc area in a safe way.*@buf: buffer for source data*@addr: vm address.*@count: number of bytes to be read.* This function checks that addr is a valid vmalloc'ed area, and* copy data from a buffer to the given addr

函数原型：long vwrite(char *buf, char *addr, unsigned long count)

返回类型：long

参数：