[merged] mm-memcg-remove-unused-definitions.patch removed from -mm tree

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The patch titled
     Subject: mm/memcg: remove unused definitions
has been removed from the -mm tree.  Its filename was
     mm-memcg-remove-unused-definitions.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm/memcg: remove unused definitions

Some definitions are left unused, just clean them.

Link: https://lkml.kernel.org/r/20201108003834.12669-1-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
Reviewed-by: Roman Gushchin <guro@xxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/memcontrol.h |  118 -----------------------------------
 1 file changed, 118 deletions(-)

--- a/include/linux/memcontrol.h~mm-memcg-remove-unused-definitions
+++ a/include/linux/memcontrol.h
@@ -913,41 +913,6 @@ static inline void mod_memcg_state(struc
 	local_irq_restore(flags);
 }
 
-/**
- * mod_memcg_page_state - update page state statistics
- * @page: the page
- * @idx: page state item to account
- * @val: number of pages (positive or negative)
- *
- * The @page must be locked or the caller must use lock_page_memcg()
- * to prevent double accounting when the page is concurrently being
- * moved to another memcg:
- *
- *   lock_page(page) or lock_page_memcg(page)
- *   if (TestClearPageState(page))
- *     mod_memcg_page_state(page, state, -1);
- *   unlock_page(page) or unlock_page_memcg(page)
- *
- * Kernel pages are an exception to this, since they'll never move.
- */
-static inline void __mod_memcg_page_state(struct page *page,
-					  int idx, int val)
-{
-	struct mem_cgroup *memcg = page_memcg(page);
-
-	if (memcg)
-		__mod_memcg_state(memcg, idx, val);
-}
-
-static inline void mod_memcg_page_state(struct page *page,
-					int idx, int val)
-{
-	struct mem_cgroup *memcg = page_memcg(page);
-
-	if (memcg)
-		mod_memcg_state(memcg, idx, val);
-}
-
 static inline unsigned long lruvec_page_state(struct lruvec *lruvec,
 					      enum node_stat_item idx)
 {
@@ -1395,18 +1360,6 @@ static inline void mod_memcg_state(struc
 {
 }
 
-static inline void __mod_memcg_page_state(struct page *page,
-					  int idx,
-					  int nr)
-{
-}
-
-static inline void mod_memcg_page_state(struct page *page,
-					int idx,
-					int nr)
-{
-}
-
 static inline unsigned long lruvec_page_state(struct lruvec *lruvec,
 					      enum node_stat_item idx)
 {
@@ -1479,34 +1432,6 @@ static inline void lruvec_memcg_debug(st
 }
 #endif /* CONFIG_MEMCG */
 
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void __inc_memcg_state(struct mem_cgroup *memcg,
-				     int idx)
-{
-	__mod_memcg_state(memcg, idx, 1);
-}
-
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void __dec_memcg_state(struct mem_cgroup *memcg,
-				     int idx)
-{
-	__mod_memcg_state(memcg, idx, -1);
-}
-
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void __inc_memcg_page_state(struct page *page,
-					  int idx)
-{
-	__mod_memcg_page_state(page, idx, 1);
-}
-
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void __dec_memcg_page_state(struct page *page,
-					  int idx)
-{
-	__mod_memcg_page_state(page, idx, -1);
-}
-
 static inline void __inc_lruvec_kmem_state(void *p, enum node_stat_item idx)
 {
 	__mod_lruvec_kmem_state(p, idx, 1);
@@ -1517,34 +1442,6 @@ static inline void __dec_lruvec_kmem_sta
 	__mod_lruvec_kmem_state(p, idx, -1);
 }
 
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void inc_memcg_state(struct mem_cgroup *memcg,
-				   int idx)
-{
-	mod_memcg_state(memcg, idx, 1);
-}
-
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void dec_memcg_state(struct mem_cgroup *memcg,
-				   int idx)
-{
-	mod_memcg_state(memcg, idx, -1);
-}
-
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void inc_memcg_page_state(struct page *page,
-					int idx)
-{
-	mod_memcg_page_state(page, idx, 1);
-}
-
-/* idx can be of type enum memcg_stat_item or node_stat_item */
-static inline void dec_memcg_page_state(struct page *page,
-					int idx)
-{
-	mod_memcg_page_state(page, idx, -1);
-}
-
 static inline struct lruvec *parent_lruvec(struct lruvec *lruvec)
 {
 	struct mem_cgroup *memcg;
@@ -1733,21 +1630,6 @@ static inline void memcg_kmem_uncharge_p
 		__memcg_kmem_uncharge_page(page, order);
 }
 
-static inline int memcg_kmem_charge(struct mem_cgroup *memcg, gfp_t gfp,
-				    unsigned int nr_pages)
-{
-	if (memcg_kmem_enabled())
-		return __memcg_kmem_charge(memcg, gfp, nr_pages);
-	return 0;
-}
-
-static inline void memcg_kmem_uncharge(struct mem_cgroup *memcg,
-				       unsigned int nr_pages)
-{
-	if (memcg_kmem_enabled())
-		__memcg_kmem_uncharge(memcg, nr_pages);
-}
-
 /*
  * A helper for accessing memcg's kmem_id, used for getting
  * corresponding LRU lists.
_

Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are





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