kmem_cache_alloc

函数名称：在指定节点上分配一个对象

函数原型：void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t gfp, int node)

返回类型：void

参数：

**调用者**
名称	描述
alloc_task_struct_node	开辟进程内存
alloc_vmap_area	Allocate a region of KVA of the specified size and alignment, within the* vstart and vend.
alloc_slabmgmt	Get the memory for a slab management obj.* For a slab cache when the slab descriptor is off-slab, the* slab descriptor can't come from the same cache which is being created,* Because if it is the case, that means we defer the creation of
init_kmem_cache_nodes
blk_alloc_queue_node	lk_alloc_queue_node - allocate a request queue@gfp_mask: memory allocation flags@node_id: NUMA node to allocate memory from

函数逻辑报告