alloc_pages

函数名称：Allocate pages, preferring the node given as nid. When nid == NUMA_NO_NODE,* prefer the current CPU's closest node. Otherwise node must be valid and* online.

函数原型：static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask, unsigned int order)

返回类型：struct page

参数：

类型	参数	名称
int	nid
gfp_t	gfp_mask
unsigned int	order

**调用者**
名称	描述
irq_init_percpu_irqstack	Allocate per-cpu stacks for hardirq and softirq processing
init_espfix_ap
alloc_thread_stack_node
__dma_direct_alloc_pages
__rb_allocate_pages
rb_allocate_cpu_buffer
ring_buffer_alloc_read_page	g_buffer_alloc_read_page - allocate a page to read from buffer*@buffer: the buffer to allocate for
trace_buffered_event_enable	race_buffered_event_enable - enable buffering events* When events are being filtered, it is quicker to use a temporary* buffer to write the event data into if there's a likely chance* that it will not be committed
uprobe_buffer_init
rb_alloc_aux_page
perf_mmap_alloc_page
__vmalloc_area_node
__page_frag_cache_refill	Page Fragment:* An arbitrary-length arbitrary-offset area of memory which resides* within a 0 or higher order page
alloc_pages_exact_nid	alloc_pages_exact_nid - allocate an exact number of physically-contiguous* pages on a node
alloc_new_node_page	page allocation callback for NUMA node migration
vmemmap_alloc_block
kmalloc_large_node
blk_mq_alloc_rqs
__dev_alloc_pages	分配网络的RX页
pcpu_alloc_pages	pcpu_alloc_pages - allocates pages for @chunk@chunk: target chunk@pages: array to put the allocated pages into, indexed by pcpu_page_idx()@page_start: page index of the first page to be allocated@page_end: page index of the last page to be allocated +

函数逻辑报告