alloc_pages_current

函数名称：alloc_pages_current - Allocate pages.*@gfp:* %GFP_USER user allocation,* %GFP_KERNEL kernel allocation,* %GFP_HIGHMEM highmem allocation,* %GFP_FS don't call back into a file system.* %GFP_ATOMIC don't sleep.

函数原型：struct page *alloc_pages_current(gfp_t gfp, unsigned order)

返回类型：struct page

参数：

类型	参数	名称
gfp_t	gfp
unsigned	order

2198

pol等于un-time system-wide default policy => local allocation

2201

如果非in_interrupt()且非gfp按位与__GFP_THISNODE的值则pol等于get_task_policy(当前进程)

2208

如果See MPOL_* above 恒等于MPOL_INTERLEAVE则page等于Allocate a page in interleaved policy.Own path because it needs to do special accounting.

2210

否则page等于This is the 'heart' of the zoned buddy allocator.

2215

返回:page

**调用者**
名称	描述
alloc_pages

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