pcpu_mem_zalloc

函数名称：pcpu_mem_zalloc - allocate memory*@size: bytes to allocate*@gfp: allocation flags* Allocate @size bytes. If @size is smaller than PAGE_SIZE,* kzalloc() is used; otherwise, the equivalent of vzalloc() is used.

函数原型：static void *pcpu_mem_zalloc(size_t size, gfp_t gfp)

返回类型：void

参数：

类型	参数	名称
size_t	size
gfp_t	gfp

505

如果WARN_ON_ONCE(!slab_is_available())则返回:NULL

508

如果size小于等于PAGE_SIZE则返回:分配内存并置零

510

否则返回:__vmalloc(size, gfp | __GFP_ZERO, PAGE_KERNEL)

**调用者**
名称	描述
pcpu_alloc_chunk
pcpu_get_pages	pcpu_get_pages - get temp pages array* Returns pointer to array of pointers to struct page which can be indexed* with pcpu_page_idx(). Note that there is only one array and accesses* should be serialized by pcpu_alloc_mutex.* RETURNS:

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告