[patch 138/262] hugetlb_cgroup: remove unused hugetlb_cgroup_from_counter macro

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From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Subject: hugetlb_cgroup: remove unused hugetlb_cgroup_from_counter macro

Patch series "Some cleanups and improvements for hugetlb".

This patchset does some cleanups and improvements for hugetlb and
hugetlb_cgroup.


This patch (of 4):

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

Link: https://lkml.kernel.org/r/cover.1634797639.git.baolin.wang@xxxxxxxxxxxxxxxxx
Link: https://lkml.kernel.org/r/f03b29b801fa9942466ab15334ec09988e124ae6.1634797639.git.baolin.wang@xxxxxxxxxxxxxxxxx
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/hugetlb_cgroup.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/mm/hugetlb_cgroup.c~hugetlb_cgroup-remove-unused-hugetlb_cgroup_from_counter-macro
+++ a/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 *
_



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