[138/262] hugetlb_cgroup: remove unused hugetlb_cgroup_from_counter macro

Commit Message

Andrew Morton Nov. 5, 2021, 8:41 p.m. UTC

From: Baolin Wang <[e-mail]>
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/[e-mail]
Link: https://lkml.kernel.org/r/f03[e-mail]
Signed-off-by: Baolin Wang <[e-mail]>
Reviewed-by: Mike Kravetz <[e-mail]>
Cc: Michal Hocko <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

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

Patch

--- 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 *