get_vma_policy

函数名称：get_vma_policy(@vma, @addr)*@vma: virtual memory area whose policy is sought*@addr: address in @vma for shared policy lookup* Returns effective policy for a VMA at specified address

函数原型：static struct mempolicy *get_vma_policy(struct vm_area_struct *vma, unsigned long addr)

返回类型：struct mempolicy

参数：

类型	参数	名称
struct vm_area_struct *	vma
unsigned long	addr

**调用者**
名称	描述
huge_node	huge_node(@vma, @addr, @gfp_flags, @mpol)@vma: virtual memory area whose policy is sought@addr: address in @vma for shared policy lookup and interleave policy@gfp_flags: for requested zone@mpol: pointer to mempolicy pointer for reference counted
alloc_pages_vma	alloc_pages_vma - Allocate a page for a VMA.@gfp: %GFP_USER user allocation.* %GFP_KERNEL kernel allocations,* %GFP_HIGHMEM highmem/user allocations,* %GFP_FS allocation should not call back into a file system.* %GFP_ATOMIC don't sleep.
mpol_misplaced	mpol_misplaced - check whether current page node is valid in policy@page: page to be checked@vma: vm area where page mapped@addr: virtual address where page mapped Lookup current policy node id for vma,addr and "compare to" page's* node id

函数逻辑报告