new_page_nodemask

Name:new_page_nodemask

Proto:static inline struct page *new_page_nodemask(struct page *page, int preferred_nid, nodemask_t *nodemask)

Type:struct page

Parameter:

Type	Parameter	Name
struct page *	page
int	preferred_nid
nodemask_t *	nodemask

37

gfp_mask = GFP_USER | ZONE_MOVABLE allowed | __GFP_RETRY_MAYFAIL

38

order = 0

39

struct page * new_page = NULL

41

If PageHuge() only returns true for hugetlbfs pages, but not for normal or* transparent huge pages. See the PageTransHuge() documentation for more* details. Then Return page migration callback function

45

If PageHuge() only returns true for hugetlbfs pages, but not for* normal or transparent huge pages.* PageTransHuge() returns true for both transparent huge and* hugetlbfs pages, but not normal pages. PageTransHuge() can only be Then

46

gfp_mask |= GFP_TRANSHUGE

47

order = HPAGE_PMD_ORDER

50

If PageHighMem(page) || zone_idx() returns 0 for the ZONE_DMA zone, 1 for the ZONE_NORMAL zone, etc.(page_zone(page)) == ZONE_MOVABLE Then gfp_mask |= __GFP_HIGHMEM

53

new_page = This is the 'heart' of the zoned buddy allocator.

56

If new_page && PageHuge() only returns true for hugetlbfs pages, but not for* normal or transparent huge pages.* PageTransHuge() returns true for both transparent huge and* hugetlbfs pages, but not normal pages. PageTransHuge() can only be Then prep_transhuge_page(new_page)

59

Return new_page

**Caller**
Name	Describe
new_page
alloc_migrate_target

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