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Diffstat (limited to 'include/linux/mm_inline.h')
-rw-r--r--include/linux/mm_inline.h50
1 files changed, 38 insertions, 12 deletions
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 96e970485b6..2eb599465d5 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -5,7 +5,7 @@
* page_is_file_cache - should the page be on a file LRU or anon LRU?
* @page: the page to test
*
- * Returns !0 if @page is page cache page backed by a regular filesystem,
+ * Returns LRU_FILE if @page is page cache page backed by a regular filesystem,
* or 0 if @page is anonymous, tmpfs or otherwise ram or swap backed.
* Used by functions that manipulate the LRU lists, to sort a page
* onto the right LRU list.
@@ -20,7 +20,7 @@ static inline int page_is_file_cache(struct page *page)
return 0;
/* The page is page cache backed by a normal filesystem. */
- return 1;
+ return LRU_FILE;
}
static inline void
@@ -38,39 +38,64 @@ del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l)
}
static inline void
-add_page_to_active_list(struct zone *zone, struct page *page)
+add_page_to_inactive_anon_list(struct zone *zone, struct page *page)
{
- add_page_to_lru_list(zone, page, LRU_ACTIVE);
+ add_page_to_lru_list(zone, page, LRU_INACTIVE_ANON);
}
static inline void
-add_page_to_inactive_list(struct zone *zone, struct page *page)
+add_page_to_active_anon_list(struct zone *zone, struct page *page)
{
- add_page_to_lru_list(zone, page, LRU_INACTIVE);
+ add_page_to_lru_list(zone, page, LRU_ACTIVE_ANON);
}
static inline void
-del_page_from_active_list(struct zone *zone, struct page *page)
+add_page_to_inactive_file_list(struct zone *zone, struct page *page)
{
- del_page_from_lru_list(zone, page, LRU_ACTIVE);
+ add_page_to_lru_list(zone, page, LRU_INACTIVE_FILE);
}
static inline void
-del_page_from_inactive_list(struct zone *zone, struct page *page)
+add_page_to_active_file_list(struct zone *zone, struct page *page)
{
- del_page_from_lru_list(zone, page, LRU_INACTIVE);
+ add_page_to_lru_list(zone, page, LRU_ACTIVE_FILE);
+}
+
+static inline void
+del_page_from_inactive_anon_list(struct zone *zone, struct page *page)
+{
+ del_page_from_lru_list(zone, page, LRU_INACTIVE_ANON);
+}
+
+static inline void
+del_page_from_active_anon_list(struct zone *zone, struct page *page)
+{
+ del_page_from_lru_list(zone, page, LRU_ACTIVE_ANON);
+}
+
+static inline void
+del_page_from_inactive_file_list(struct zone *zone, struct page *page)
+{
+ del_page_from_lru_list(zone, page, LRU_INACTIVE_FILE);
+}
+
+static inline void
+del_page_from_active_file_list(struct zone *zone, struct page *page)
+{
+ del_page_from_lru_list(zone, page, LRU_INACTIVE_FILE);
}
static inline void
del_page_from_lru(struct zone *zone, struct page *page)
{
- enum lru_list l = LRU_INACTIVE;
+ enum lru_list l = LRU_BASE;
list_del(&page->lru);
if (PageActive(page)) {
__ClearPageActive(page);
- l = LRU_ACTIVE;
+ l += LRU_ACTIVE;
}
+ l += page_is_file_cache(page);
__dec_zone_state(zone, NR_LRU_BASE + l);
}
@@ -87,6 +112,7 @@ static inline enum lru_list page_lru(struct page *page)
if (PageActive(page))
lru += LRU_ACTIVE;
+ lru += page_is_file_cache(page);
return lru;
}