[merged] memcg-writeback-use-memcg-cgwb_list-directly.patch removed from -mm tree

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The patch titled
     Subject: memcg: writeback: use memcg->cgwb_list directly
has been removed from the -mm tree.  Its filename was
     memcg-writeback-use-memcg-cgwb_list-directly.patch

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

------------------------------------------------------
From: Wang Long <wanglong19@xxxxxxxxxxx>
Subject: memcg: writeback: use memcg->cgwb_list directly

mem_cgroup_cgwb_list is a very simple wrapper and it will never be used
outside of code under CONFIG_CGROUP_WRITEBACK.  so use memcg->cgwb_list
directly.

Link: http://lkml.kernel.org/r/1524406173-212182-1-git-send-email-wanglong19@xxxxxxxxxxx
Signed-off-by: Wang Long <wanglong19@xxxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/memcontrol.h |    1 -
 mm/backing-dev.c           |    4 ++--
 mm/memcontrol.c            |    5 -----
 3 files changed, 2 insertions(+), 8 deletions(-)

diff -puN include/linux/memcontrol.h~memcg-writeback-use-memcg-cgwb_list-directly include/linux/memcontrol.h
--- a/include/linux/memcontrol.h~memcg-writeback-use-memcg-cgwb_list-directly
+++ a/include/linux/memcontrol.h
@@ -1097,7 +1097,6 @@ static inline void dec_lruvec_page_state
 
 #ifdef CONFIG_CGROUP_WRITEBACK
 
-struct list_head *mem_cgroup_cgwb_list(struct mem_cgroup *memcg);
 struct wb_domain *mem_cgroup_wb_domain(struct bdi_writeback *wb);
 void mem_cgroup_wb_stats(struct bdi_writeback *wb, unsigned long *pfilepages,
 			 unsigned long *pheadroom, unsigned long *pdirty,
diff -puN mm/backing-dev.c~memcg-writeback-use-memcg-cgwb_list-directly mm/backing-dev.c
--- a/mm/backing-dev.c~memcg-writeback-use-memcg-cgwb_list-directly
+++ a/mm/backing-dev.c
@@ -557,7 +557,7 @@ static int cgwb_create(struct backing_de
 	memcg = mem_cgroup_from_css(memcg_css);
 	blkcg_css = cgroup_get_e_css(memcg_css->cgroup, &io_cgrp_subsys);
 	blkcg = css_to_blkcg(blkcg_css);
-	memcg_cgwb_list = mem_cgroup_cgwb_list(memcg);
+	memcg_cgwb_list = &memcg->cgwb_list;
 	blkcg_cgwb_list = &blkcg->cgwb_list;
 
 	/* look up again under lock and discard on blkcg mismatch */
@@ -736,7 +736,7 @@ static void cgwb_bdi_unregister(struct b
  */
 void wb_memcg_offline(struct mem_cgroup *memcg)
 {
-	struct list_head *memcg_cgwb_list = mem_cgroup_cgwb_list(memcg);
+	struct list_head *memcg_cgwb_list = &memcg->cgwb_list;
 	struct bdi_writeback *wb, *next;
 
 	spin_lock_irq(&cgwb_lock);
diff -puN mm/memcontrol.c~memcg-writeback-use-memcg-cgwb_list-directly mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-writeback-use-memcg-cgwb_list-directly
+++ a/mm/memcontrol.c
@@ -3562,11 +3562,6 @@ static int mem_cgroup_oom_control_write(
 
 #ifdef CONFIG_CGROUP_WRITEBACK
 
-struct list_head *mem_cgroup_cgwb_list(struct mem_cgroup *memcg)
-{
-	return &memcg->cgwb_list;
-}
-
 static int memcg_wb_domain_init(struct mem_cgroup *memcg, gfp_t gfp)
 {
 	return wb_domain_init(&memcg->cgwb_domain, gfp);
_

Patches currently in -mm which might be from wanglong19@xxxxxxxxxxx are


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