linux-kernel - [PATCH 2/3] mm/lru_gen: add configuration option to select debugfs/procfs for lru

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251128025315.3520689-3-wangzicheng@honor.com>
Date: Fri, 28 Nov 2025 10:53:14 +0800
From: Zicheng Wang <wangzicheng@...or.com>
To: <akpm@...ux-foundation.org>, <hannes@...xchg.org>, <david@...hat.com>,
	<axelrasmussen@...gle.com>, <yuanchu@...gle.com>
CC: <mhocko@...nel.org>, <zhengqi.arch@...edance.com>,
	<shakeel.butt@...ux.dev>, <lorenzo.stoakes@...cle.com>, <weixugc@...gle.com>,
	<Liam.Howlett@...cle.com>, <vbabka@...e.cz>, <rppt@...nel.org>,
	<surenb@...gle.com>, <mhocko@...e.com>, <corbet@....net>,
	<linux-mm@...ck.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Zicheng Wang <wangzicheng@...or.com>
Subject: [PATCH 2/3] mm/lru_gen: add configuration option to select debugfs/procfs for lru_gen

Signed-off-by: Zicheng Wang <wangzicheng@...or.com>
---
 mm/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index e443fe8cd..be7efa794 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -1325,6 +1325,16 @@ config LRU_GEN_STATS
 config LRU_GEN_WALKS_MMU
 	def_bool y
 	depends on LRU_GEN && ARCH_HAS_HW_PTE_YOUNG
+
+config LRU_GEN_PROCFS_CTRL
+	bool "Move lru_gen files from debugfs to procfs"
+	depends on LRU_GEN && PROC_FS
+	help
+	  Move lru_gen management from debugfs to procfs (/proc/lru_gen).
+	  This production-ready feature provides critical memory reclaim
+	  prediction and control. It is no longer experimental.
+	  The migration ensures availability in commercial products where
+	  debugfs may be disabled.
 # }
 
 config ARCH_SUPPORTS_PER_VMA_LOCK
-- 
2.25.1