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[54.199.123.161]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c7436ee37csm103161525ad.26.2026.06.23.03.24.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jun 2026 03:24:57 -0700 (PDT) From: Xiaobo Liu To: rust-for-linux@vger.kernel.org Cc: ojeda@kernel.org, miguel.ojeda.sandonis@gmail.com, akpm@linux-foundation.org, david@fromorbit.com, qi.zheng@linux.dev, roman.gushchin@linux.dev, muchun.song@linux.dev, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Xiaobo Liu Subject: [PATCH v2] rust: helpers: move list_lru and task_work helpers out of binder.c Date: Tue, 23 Jun 2026 18:24:31 +0800 Message-Id: <20260623102431.3577627-1-cppcoffee@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Stat-Signature: 4jsx9ftxar4m5ohe87qrgg8syhzhoedr X-Rspamd-Queue-Id: D333E140007 X-Rspamd-Server: rspam06 X-HE-Tag: 1782210299-345212 X-HE-Meta: U2FsdGVkX18DY5N6ImFIA7l78EhK67/72QJSBu9GHj3IFS30qfIwOGV+G07pnyBkg3mLsSG2LCaJsOWnsXr3vM/nnX6ldPXARNfWZo430ClmYkUAiM+nQil4J0eqL0akxbZdRw257Tt5GmGcVKgKCCVSSqz5eLwpk4o1Sx0DNhzYJnKdjDuEmbJc+WRhk9Je/m4fBJiAq+uf0bGvYo+ApJAxL91mfIhMWZnHF/TjPuceLqUN+IiNTd52YSVo7/x8elCrdPUyncjvoFJgxW1xM7vDHUT2iHuK+PMexPLYM3i8yFKo6oCXAQRteqep+zsA25bEh+4xgJ2NumTWFNowvYhPKwqreFk9xaBfrGWE8S4VO1LhDM4cFYUypnd+ttxgLvN6cxluo9M/41qUmB0Fu7LCBUYf6EtRxciyW9VoicPvEXJNoVk6Rc8+YVmOgqSOzoS1uPUH8w/oAI/mpVBgxr3tWAZ4D77BtY3RVYMECd1jwW5xFDjM4HW31RqKctR503i9HVXg4g2kzRBESdfNOJoIZI8bUERAk7FfFj+Y8QJfdKZ5Ak5EHs0OmNECR2q9iVwExryd6fEKuS4r89tXP8WCuB81qnFSU88t1DaRfkCU0rHT094SK2dMUfIQBUpSSxVIZkXD0RyAiqGFJ3rHvr0fa38CCr8OXPKhYIztfwBWGVT1erzcfyOttsSAUQr7EkAUgeONtoaGd+BlRb6ricWF802yrfejopyCpJU2WVXCv7n998J1V0+y1xdwXSY53q8nELN9yWEGYYABa8nZElRKo/0JD9+5PYMql8T5wJIxVfMrfgxC0O7JBkUBgWIAvP90vZn+nw6Oq2R/ft0fveyQzUorwBh9Trqwxu5LvEbxYtS6N6LIsArr2adtGSdzIT53VMvCj7qHIiwqiUCxaN3brgP0sgty+ZxHt9tWH4DXgaJmbvsnHoGU/hJk4/+sXnGFKX2YIu3xx3hoT5k gcf8tUWc 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The helpers in binder.c wrap generic list_lru and task_work inline functions and have nothing to do with binder. Move each of them to a file named after its own C header: - list_lru helpers move to list_lru.c, - init_task_work moves to task_work.c. Add the new list_lru.c to the SHRINKER entry in MAINTAINERS, which already covers include/linux/list_lru.h. Signed-off-by: Xiaobo Liu --- MAINTAINERS | 1 + rust/helpers/helpers.c | 3 ++- rust/helpers/{binder.c => list_lru.c} | 7 ------- rust/helpers/task_work.c | 13 +++++++++++++ 4 files changed, 16 insertions(+), 8 deletions(-) rename rust/helpers/{binder.c => list_lru.c} (72%) create mode 100644 rust/helpers/task_work.c diff --git a/MAINTAINERS b/MAINTAINERS index ba45953bb..428992431 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -24590,6 +24590,7 @@ S: Maintained F: Documentation/admin-guide/mm/shrinker_debugfs.rst F: include/linux/list_lru.h F: include/linux/shrinker.h +F: rust/helpers/list_lru.c F: mm/list_lru.c F: mm/shrinker.c F: mm/shrinker_debug.c diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index 998e31052..ea34101b9 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -43,7 +43,6 @@ #include "atomic_ext.c" #include "auxiliary.c" #include "barrier.c" -#include "binder.c" #include "bitmap.c" #include "bitops.c" #include "blk.c" @@ -69,6 +68,7 @@ #include "jump_label.c" #include "kunit.c" #include "list.c" +#include "list_lru.c" #include "maple_tree.c" #include "mm.c" #include "mutex.c" @@ -93,6 +93,7 @@ #include "string.c" #include "sync.c" #include "task.c" +#include "task_work.c" #include "time.c" #include "uaccess.c" #include "usb.c" diff --git a/rust/helpers/binder.c b/rust/helpers/list_lru.c similarity index 72% rename from rust/helpers/binder.c rename to rust/helpers/list_lru.c index a2327f1b3..3b88d1a96 100644 --- a/rust/helpers/binder.c +++ b/rust/helpers/list_lru.c @@ -5,7 +5,6 @@ */ #include -#include __rust_helper unsigned long rust_helper_list_lru_count(struct list_lru *lru) { @@ -19,9 +18,3 @@ __rust_helper unsigned long rust_helper_list_lru_walk(struct list_lru *lru, { return list_lru_walk(lru, isolate, cb_arg, nr_to_walk); } - -__rust_helper void rust_helper_init_task_work(struct callback_head *twork, - task_work_func_t func) -{ - init_task_work(twork, func); -} diff --git a/rust/helpers/task_work.c b/rust/helpers/task_work.c new file mode 100644 index 000000000..cb961cd22 --- /dev/null +++ b/rust/helpers/task_work.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Copyright (C) 2025 Google LLC. + */ + +#include + +__rust_helper void rust_helper_init_task_work(struct callback_head *twork, + task_work_func_t func) +{ + init_task_work(twork, func); +} -- 2.34.1