blob: e5233c2a6c315185196f0ae22b68fc496541d314 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
#ifndef LINUX_MM_INLINE_H
#define LINUX_MM_INLINE_H
#include <linux/huge_mm.h>
static inline int page_is_file_cache(struct page *page)
{
return !PageSwapBacked(page);
}
static inline void
add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list lru)
{
struct lruvec *lruvec;
lruvec = mem_cgroup_lru_add_list(zone, page, lru);
list_add(&page->lru, &lruvec->lists[lru]);
__mod_zone_page_state(zone, NR_LRU_BASE + lru, hpage_nr_pages(page));
}
static inline void
del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list lru)
{
mem_cgroup_lru_del_list(page, lru);
list_del(&page->lru);
__mod_zone_page_state(zone, NR_LRU_BASE + lru, -hpage_nr_pages(page));
}
static inline enum lru_list page_lru_base_type(struct page *page)
{
if (page_is_file_cache(page))
return LRU_INACTIVE_FILE;
return LRU_INACTIVE_ANON;
}
static inline enum lru_list page_off_lru(struct page *page)
{
enum lru_list lru;
if (PageUnevictable(page)) {
__ClearPageUnevictable(page);
lru = LRU_UNEVICTABLE;
} else {
lru = page_lru_base_type(page);
if (PageActive(page)) {
__ClearPageActive(page);
lru += LRU_ACTIVE;
}
}
return lru;
}
static inline enum lru_list page_lru(struct page *page)
{
enum lru_list lru;
if (PageUnevictable(page))
lru = LRU_UNEVICTABLE;
else {
lru = page_lru_base_type(page);
if (PageActive(page))
lru += LRU_ACTIVE;
}
return lru;
}
#endif
|
