dequeue_huge_page_vma

Name:dequeue_huge_page_vma

Proto:static struct page *dequeue_huge_page_vma(struct hstate *h, struct vm_area_struct *vma, unsigned long address, int avoid_reserve, long chg)

Type:struct page

Parameter:

Type	Parameter	Name
struct hstate *	h
struct vm_area_struct *	vma
unsigned long	address
int	avoid_reserve
long	chg

909

If Not Returns true if the VMA has associated reserve pages && free_huge_pages - resv_huge_pages == 0 Then Go to err

914

If avoid_reserve && free_huge_pages - resv_huge_pages == 0 Then Go to err

917

gfp_mask = Movability of hugepages depends on migration support.

918

nid = huge_node(vma, address, gfp_mask, & mpol, & nodemask)

919

page = dequeue_huge_page_nodemask(h, gfp_mask, nid, nodemask)

920

If page && Not avoid_reserve && Returns true if the VMA has associated reserve pages Then

921

Private page markings that may be used by the filesystem that owns the page* for its own purposes.* - PG_private and PG_private_2 cause releasepage() and co to be invoked

922

resv_huge_pages--

925

mpol_cond_put(mpol)

926

Return page

928

err :

929

Return NULL

**Caller**
Name	Describe
alloc_huge_page

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