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-rw-r--r--include/linux/pagevec.h13
-rw-r--r--include/linux/swap.h18
-rw-r--r--mm/migrate.c11
-rw-r--r--mm/swap.c79
4 files changed, 55 insertions, 66 deletions
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 8eb7fa76c1d..6b8f11bcc94 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -23,8 +23,7 @@ struct pagevec {
void __pagevec_release(struct pagevec *pvec);
void __pagevec_release_nonlru(struct pagevec *pvec);
void __pagevec_free(struct pagevec *pvec);
-void __pagevec_lru_add(struct pagevec *pvec);
-void __pagevec_lru_add_active(struct pagevec *pvec);
+void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru);
void pagevec_strip(struct pagevec *pvec);
unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
pgoff_t start, unsigned nr_pages);
@@ -81,6 +80,16 @@ static inline void pagevec_free(struct pagevec *pvec)
__pagevec_free(pvec);
}
+static inline void __pagevec_lru_add(struct pagevec *pvec)
+{
+ ____pagevec_lru_add(pvec, LRU_INACTIVE);
+}
+
+static inline void __pagevec_lru_add_active(struct pagevec *pvec)
+{
+ ____pagevec_lru_add(pvec, LRU_ACTIVE);
+}
+
static inline void pagevec_lru_add(struct pagevec *pvec)
{
if (pagevec_count(pvec))
diff --git a/include/linux/swap.h b/include/linux/swap.h
index de40f169a4e..fcc169610d0 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -171,8 +171,8 @@ extern unsigned int nr_free_pagecache_pages(void);
/* linux/mm/swap.c */
-extern void lru_cache_add(struct page *);
-extern void lru_cache_add_active(struct page *);
+extern void __lru_cache_add(struct page *, enum lru_list lru);
+extern void lru_cache_add_lru(struct page *, enum lru_list lru);
extern void activate_page(struct page *);
extern void mark_page_accessed(struct page *);
extern void lru_add_drain(void);
@@ -180,6 +180,20 @@ extern int lru_add_drain_all(void);
extern void rotate_reclaimable_page(struct page *page);
extern void swap_setup(void);
+/**
+ * lru_cache_add: add a page to the page lists
+ * @page: the page to add
+ */
+static inline void lru_cache_add(struct page *page)
+{
+ __lru_cache_add(page, LRU_INACTIVE);
+}
+
+static inline void lru_cache_add_active(struct page *page)
+{
+ __lru_cache_add(page, LRU_ACTIVE);
+}
+
/* linux/mm/vmscan.c */
extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
gfp_t gfp_mask);
diff --git a/mm/migrate.c b/mm/migrate.c
index da73742e52a..ad15b5ef259 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -55,16 +55,7 @@ int migrate_prep(void)
static inline void move_to_lru(struct page *page)
{
- if (PageActive(page)) {
- /*
- * lru_cache_add_active checks that
- * the PG_active bit is off.
- */
- ClearPageActive(page);
- lru_cache_add_active(page);
- } else {
- lru_cache_add(page);
- }
+ lru_cache_add_lru(page, page_lru(page));
put_page(page);
}
diff --git a/mm/swap.c b/mm/swap.c
index 82c2b3a76f9..e3045040dc3 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -34,8 +34,7 @@
/* How many pages do we try to swap or page in/out together? */
int page_cluster;
-static DEFINE_PER_CPU(struct pagevec, lru_add_pvecs);
-static DEFINE_PER_CPU(struct pagevec, lru_add_active_pvecs);
+static DEFINE_PER_CPU(struct pagevec[NR_LRU_LISTS], lru_add_pvecs);
static DEFINE_PER_CPU(struct pagevec, lru_rotate_pvecs);
/*
@@ -186,28 +185,29 @@ void mark_page_accessed(struct page *page)
EXPORT_SYMBOL(mark_page_accessed);
-/**
- * lru_cache_add: add a page to the page lists
- * @page: the page to add
- */
-void lru_cache_add(struct page *page)
+void __lru_cache_add(struct page *page, enum lru_list lru)
{
- struct pagevec *pvec = &get_cpu_var(lru_add_pvecs);
+ struct pagevec *pvec = &get_cpu_var(lru_add_pvecs)[lru];
page_cache_get(page);
if (!pagevec_add(pvec, page))
- __pagevec_lru_add(pvec);
+ ____pagevec_lru_add(pvec, lru);
put_cpu_var(lru_add_pvecs);
}
-void lru_cache_add_active(struct page *page)
+/**
+ * lru_cache_add_lru - add a page to a page list
+ * @page: the page to be added to the LRU.
+ * @lru: the LRU list to which the page is added.
+ */
+void lru_cache_add_lru(struct page *page, enum lru_list lru)
{
- struct pagevec *pvec = &get_cpu_var(lru_add_active_pvecs);
+ if (PageActive(page)) {
+ ClearPageActive(page);
+ }
- page_cache_get(page);
- if (!pagevec_add(pvec, page))
- __pagevec_lru_add_active(pvec);
- put_cpu_var(lru_add_active_pvecs);
+ VM_BUG_ON(PageLRU(page) || PageActive(page));
+ __lru_cache_add(page, lru);
}
/*
@@ -217,15 +217,15 @@ void lru_cache_add_active(struct page *page)
*/
static void drain_cpu_pagevecs(int cpu)
{
+ struct pagevec *pvecs = per_cpu(lru_add_pvecs, cpu);
struct pagevec *pvec;
+ int lru;
- pvec = &per_cpu(lru_add_pvecs, cpu);
- if (pagevec_count(pvec))
- __pagevec_lru_add(pvec);
-
- pvec = &per_cpu(lru_add_active_pvecs, cpu);
- if (pagevec_count(pvec))
- __pagevec_lru_add_active(pvec);
+ for_each_lru(lru) {
+ pvec = &pvecs[lru - LRU_BASE];
+ if (pagevec_count(pvec))
+ ____pagevec_lru_add(pvec, lru);
+ }
pvec = &per_cpu(lru_rotate_pvecs, cpu);
if (pagevec_count(pvec)) {
@@ -380,7 +380,7 @@ void __pagevec_release_nonlru(struct pagevec *pvec)
* Add the passed pages to the LRU, then drop the caller's refcount
* on them. Reinitialises the caller's pagevec.
*/
-void __pagevec_lru_add(struct pagevec *pvec)
+void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru)
{
int i;
struct zone *zone = NULL;
@@ -397,7 +397,9 @@ void __pagevec_lru_add(struct pagevec *pvec)
}
VM_BUG_ON(PageLRU(page));
SetPageLRU(page);
- add_page_to_inactive_list(zone, page);
+ if (is_active_lru(lru))
+ SetPageActive(page);
+ add_page_to_lru_list(zone, page, lru);
}
if (zone)
spin_unlock_irq(&zone->lru_lock);
@@ -405,34 +407,7 @@ void __pagevec_lru_add(struct pagevec *pvec)
pagevec_reinit(pvec);
}
-EXPORT_SYMBOL(__pagevec_lru_add);
-
-void __pagevec_lru_add_active(struct pagevec *pvec)
-{
- int i;
- struct zone *zone = NULL;
-
- for (i = 0; i < pagevec_count(pvec); i++) {
- struct page *page = pvec->pages[i];
- struct zone *pagezone = page_zone(page);
-
- if (pagezone != zone) {
- if (zone)
- spin_unlock_irq(&zone->lru_lock);
- zone = pagezone;
- spin_lock_irq(&zone->lru_lock);
- }
- VM_BUG_ON(PageLRU(page));
- SetPageLRU(page);
- VM_BUG_ON(PageActive(page));
- SetPageActive(page);
- add_page_to_active_list(zone, page);
- }
- if (zone)
- spin_unlock_irq(&zone->lru_lock);
- release_pages(pvec->pages, pvec->nr, pvec->cold);
- pagevec_reinit(pvec);
-}
+EXPORT_SYMBOL(____pagevec_lru_add);
/*
* Try to drop buffers from the pages in a pagevec
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-03 03:56:26 +0000