__do_kmalloc

函数名称：__do_kmalloc - allocate memory*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc).*@caller: function caller for debug tracking of the caller* Return: pointer to the allocated memory or %NULL in case of error

函数原型：static __always_inline void *__do_kmalloc(size_t size, gfp_t flags, unsigned long caller)

返回类型：void

参数：

类型	参数	名称
size_t	size
gfp_t	flags
unsigned long	caller

3697

如果此条件成立可能性小(为编译器优化)(size > Maximum size for which we actually use a slab cache )则返回:NULL

3699

cachep等于kmalloc_slab(size, flags)

3700

如果此条件成立可能性小(为编译器优化)(ZERO_OR_NULL_PTR(cachep))则返回:cachep

3702

ret等于slab_alloc(cachep, flags, caller)

3704

ret等于kasan_kmalloc(cachep, ret, size, flags)

3705

trace_kmalloc(caller, ret, size, The size of an object including metadata , flags)

3708

返回:ret

**调用者**
名称	描述
__kmalloc	开辟内存
__kmalloc_track_caller

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