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From:   Alex Shi <alex.shi@linux.alibaba.com>
Cc:     Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>,
        Vladimir Davydov <vdavydov.dev@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        cgroups@vger.kernel.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH] mm/memcg: no one use charge_type
Date:   Tue,  8 Sep 2020 16:12:07 +0800
Message-Id: <1599552727-60003-1-git-send-email-alex.shi@linux.alibaba.com>
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

After commit 0a31bc97c80c3f mm: memcontrol: rewrite uncharge API, no one
using MEM_CGROUP_CHARGE_TYPE_xxx, let's remove them.

Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Johannes Weiner <hannes@cmpxchg.org> 
Cc: Michal Hocko <mhocko@kernel.org> 
Cc: Vladimir Davydov <vdavydov.dev@gmail.com> 
Cc: Andrew Morton <akpm@linux-foundation.org> 
Cc: cgroups@vger.kernel.org 
Cc: linux-mm@kvack.org 
Cc: linux-kernel@vger.kernel.org 
---
 mm/memcontrol.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5d52b8a88bea..d925905920bf 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -199,14 +199,6 @@ struct mem_cgroup_event {
 #define	MEM_CGROUP_MAX_RECLAIM_LOOPS		100
 #define	MEM_CGROUP_MAX_SOFT_LIMIT_RECLAIM_LOOPS	2
 
-enum charge_type {
-	MEM_CGROUP_CHARGE_TYPE_CACHE = 0,
-	MEM_CGROUP_CHARGE_TYPE_ANON,
-	MEM_CGROUP_CHARGE_TYPE_SWAPOUT,	/* for accounting swapcache */
-	MEM_CGROUP_CHARGE_TYPE_DROP,	/* a page was unused swap cache */
-	NR_CHARGE_TYPE,
-};
-
 /* for encoding cft->private value on file */
 enum res_type {
 	_MEM,
-- 
1.8.3.1