linux-kernel - [PATCH 1/4] hugetlb_cgroup: Remove unused hugetlb_cgroup_from

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Date:   Thu, 21 Oct 2021 14:31:16 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     akpm@...ux-foundation.org, mike.kravetz@...cle.com
Cc:     mhocko@...nel.org, baolin.wang@...ux.alibaba.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] hugetlb_cgroup: Remove unused hugetlb_cgroup_from_counter macro

Since commit 726b7bbe ("hugetlb_cgroup: fix illegal access to memory"),
the hugetlb_cgroup_from_counter() macro is not used any more, remove it.

Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
---
 mm/hugetlb_cgroup.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index 5383023..79d9353 100644
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -27,9 +27,6 @@
 #define MEMFILE_IDX(val)	(((val) >> 16) & 0xffff)
 #define MEMFILE_ATTR(val)	((val) & 0xffff)
 
-#define hugetlb_cgroup_from_counter(counter, idx)                   \
-	container_of(counter, struct hugetlb_cgroup, hugepage[idx])
-
 static struct hugetlb_cgroup *root_h_cgroup __read_mostly;
 
 static inline struct page_counter *
-- 
1.8.3.1