diff options
-rw-r--r-- | include/linux/mm_inline.h | 8 | ||||
-rw-r--r-- | mm/migrate.c | 6 | ||||
-rw-r--r-- | mm/swap.c | 2 | ||||
-rw-r--r-- | mm/vmscan.c | 2 |
4 files changed, 7 insertions, 11 deletions
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index 99977ff45b83..8835b877b8db 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h | |||
@@ -5,7 +5,7 @@ | |||
5 | * page_is_file_cache - should the page be on a file LRU or anon LRU? | 5 | * page_is_file_cache - should the page be on a file LRU or anon LRU? |
6 | * @page: the page to test | 6 | * @page: the page to test |
7 | * | 7 | * |
8 | * Returns LRU_FILE if @page is page cache page backed by a regular filesystem, | 8 | * Returns 1 if @page is page cache page backed by a regular filesystem, |
9 | * or 0 if @page is anonymous, tmpfs or otherwise ram or swap backed. | 9 | * or 0 if @page is anonymous, tmpfs or otherwise ram or swap backed. |
10 | * Used by functions that manipulate the LRU lists, to sort a page | 10 | * Used by functions that manipulate the LRU lists, to sort a page |
11 | * onto the right LRU list. | 11 | * onto the right LRU list. |
@@ -16,11 +16,7 @@ | |||
16 | */ | 16 | */ |
17 | static inline int page_is_file_cache(struct page *page) | 17 | static inline int page_is_file_cache(struct page *page) |
18 | { | 18 | { |
19 | if (PageSwapBacked(page)) | 19 | return !PageSwapBacked(page); |
20 | return 0; | ||
21 | |||
22 | /* The page is page cache backed by a normal filesystem. */ | ||
23 | return LRU_FILE; | ||
24 | } | 20 | } |
25 | 21 | ||
26 | static inline void | 22 | static inline void |
diff --git a/mm/migrate.c b/mm/migrate.c index b535a2c1656c..e97e513fe898 100644 --- a/mm/migrate.c +++ b/mm/migrate.c | |||
@@ -68,7 +68,7 @@ int putback_lru_pages(struct list_head *l) | |||
68 | list_for_each_entry_safe(page, page2, l, lru) { | 68 | list_for_each_entry_safe(page, page2, l, lru) { |
69 | list_del(&page->lru); | 69 | list_del(&page->lru); |
70 | dec_zone_page_state(page, NR_ISOLATED_ANON + | 70 | dec_zone_page_state(page, NR_ISOLATED_ANON + |
71 | !!page_is_file_cache(page)); | 71 | page_is_file_cache(page)); |
72 | putback_lru_page(page); | 72 | putback_lru_page(page); |
73 | count++; | 73 | count++; |
74 | } | 74 | } |
@@ -701,7 +701,7 @@ unlock: | |||
701 | */ | 701 | */ |
702 | list_del(&page->lru); | 702 | list_del(&page->lru); |
703 | dec_zone_page_state(page, NR_ISOLATED_ANON + | 703 | dec_zone_page_state(page, NR_ISOLATED_ANON + |
704 | !!page_is_file_cache(page)); | 704 | page_is_file_cache(page)); |
705 | putback_lru_page(page); | 705 | putback_lru_page(page); |
706 | } | 706 | } |
707 | 707 | ||
@@ -751,7 +751,7 @@ int migrate_pages(struct list_head *from, | |||
751 | local_irq_save(flags); | 751 | local_irq_save(flags); |
752 | list_for_each_entry(page, from, lru) | 752 | list_for_each_entry(page, from, lru) |
753 | __inc_zone_page_state(page, NR_ISOLATED_ANON + | 753 | __inc_zone_page_state(page, NR_ISOLATED_ANON + |
754 | !!page_is_file_cache(page)); | 754 | page_is_file_cache(page)); |
755 | local_irq_restore(flags); | 755 | local_irq_restore(flags); |
756 | 756 | ||
757 | if (!swapwrite) | 757 | if (!swapwrite) |
@@ -189,7 +189,7 @@ void activate_page(struct page *page) | |||
189 | add_page_to_lru_list(zone, page, lru); | 189 | add_page_to_lru_list(zone, page, lru); |
190 | __count_vm_event(PGACTIVATE); | 190 | __count_vm_event(PGACTIVATE); |
191 | 191 | ||
192 | update_page_reclaim_stat(zone, page, !!file, 1); | 192 | update_page_reclaim_stat(zone, page, file, 1); |
193 | } | 193 | } |
194 | spin_unlock_irq(&zone->lru_lock); | 194 | spin_unlock_irq(&zone->lru_lock); |
195 | } | 195 | } |
diff --git a/mm/vmscan.c b/mm/vmscan.c index 30e56ee833f8..172119caebcc 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c | |||
@@ -821,7 +821,7 @@ int __isolate_lru_page(struct page *page, int mode, int file) | |||
821 | if (mode != ISOLATE_BOTH && (!PageActive(page) != !mode)) | 821 | if (mode != ISOLATE_BOTH && (!PageActive(page) != !mode)) |
822 | return ret; | 822 | return ret; |
823 | 823 | ||
824 | if (mode != ISOLATE_BOTH && (!page_is_file_cache(page) != !file)) | 824 | if (mode != ISOLATE_BOTH && page_is_file_cache(page) != file) |
825 | return ret; | 825 | return ret; |
826 | 826 | ||
827 | /* | 827 | /* |