linux-kernel - [PATCH bpf-next] mm: drop mem_cgroup_usage() declaration from memcontrol.h

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Message-ID: <20260106042313.140256-1-roman.gushchin@linux.dev>
Date: Mon,  5 Jan 2026 20:23:13 -0800
From: Roman Gushchin <roman.gushchin@...ux.dev>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	bpf <bpf@...r.kernel.org>,
	Networking <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Next Mailing List <linux-next@...r.kernel.org>,
	Roman Gushchin <roman.gushchin@...ux.dev>
Subject: [PATCH bpf-next] mm: drop mem_cgroup_usage() declaration from memcontrol.h

mem_cgroup_usage() is not used outside of memcg-v1 code,
the declaration was added by a mistake.

Signed-off-by: Roman Gushchin <roman.gushchin@...ux.dev>
---
 include/linux/memcontrol.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 6a5d65487b70..229ac9835adb 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -950,7 +950,6 @@ static inline void mod_memcg_page_state(struct page *page,
 }
 
 unsigned long memcg_events(struct mem_cgroup *memcg, int event);
-unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap);
 unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx);
 unsigned long memcg_page_state_output(struct mem_cgroup *memcg, int item);
 bool memcg_stat_item_valid(int idx);
-- 
2.52.0