Function report |
Source Code:mm\page_alloc.c |
Create Date:2022-07-28 15:03:29 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:free_tail_pages_check
Proto:static int free_tail_pages_check(struct page *head_page, struct page *page)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct page * | head_page | |
struct page * | page |
1065 | ret = 1 |
1074 | ret = 0 |
1075 | Go to out |
1078 | Case - == 1 |
1084 | Break |
1085 | Case - == 2 |
1090 | Break |
1091 | Default |
1092 | If See page-flags.h for PAGE_MAPPING_FLAGS != mm/page_alloc.c *********** Then |
1096 | Break |
1098 | If Value for the false possibility is greater at compile time(!PageTail(page)) Then |
1102 | If Value for the false possibility is greater at compile time(compound_head(page) != head_page) Then |
1106 | ret = 0 |
1107 | out : |
1108 | See page-flags.h for PAGE_MAPPING_FLAGS = NULL |
1109 | clear_compound_head(page) |
1110 | Return ret |
Name | Describe |
---|---|
free_pages_prepare |
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