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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1762310580; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Q296D2qx12EQHPobfdWeDRQ2wlvOioDM4RhRYWBCXbQ=; b=e5TgTHzADd7kbEG7v6Ro73cCg1AsJ1JHeXS33eXNBK4l7d8c1GXga5BI4fZTe1vBz/Hbns iJEu9FbAFk2OxP/54+8XqWnyn4VUJ07chlIyG4c12fFNUFSw48gVRy+bRCSKWzMAIHq5BL HeuZ1XNYByZ6mAy7K6jXIwWItQ3K4v8= From: Hui Zhu To: Andrew Morton , Muchun Song , Oscar Salvador , David Hildenbrand , linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Hui Zhu Subject: [PATCH v4 0/2] mm/hugetlb: refactor sysfs/sysctl interfaces Date: Wed, 5 Nov 2025 10:42:42 +0800 Message-ID: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 6EA5AC000A X-Stat-Signature: gc8tuz53s363to88xu6k98hy1ms4hodc X-Rspamd-Server: rspam02 X-Rspam-User: X-HE-Tag: 1762310582-723659 X-HE-Meta: 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 axRTx6vE PSQvUQLJUIewiuAD5tRREveSLgBUZINWEJZhy5y/4ElGJMo/QJtP5wt4oTxZQQtiQYdVpvQBD9xnzFxCZywejqSznSsWUqeQArO+68vNP5yn9R+mAvo5nm/tPxcpedGYjwWpF8j7pnMgUdRSqqveE3nU1JA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Hui Zhu The hugetlb.c file has grown significantly and become difficult to maintain. This patch series extracts the sysfs and sysctl interface code into separate dedicated files to improve code organization. The refactoring includes: - Patch 1: Extract sysfs interface into mm/hugetlb_sysfs.c - Patch 2: Extract sysctl interface into mm/hugetlb_sysctl.c No functional changes are introduced in this series. The code is moved as-is, with only minor formatting adjustments for code style consistency. This should make future maintenance and enhancements to the hugetlb subsystem easier. Testing: The patch series has been compile-tested and maintains the same functionality as the original code. Changelog: v4: According to the comments of David Hildenbrand, add copyright of hugetlb.c to hugetlb_internal.h, hugetlb_sysctl.c and hugetlb_sysfs.c. v3: According to the comments of SeongJae Park, updated MAINTAINERS to add new files. Removed the wrong copyright in hugetlb_internal.h. v2: According to the comments of David Hildenbrand, removed the wrong copyright in the file headers. Hui Zhu (2): mm/hugetlb: extract sysfs into hugetlb_sysfs.c mm/hugetlb: extract sysctl into hugetlb_sysctl.c MAINTAINERS | 2 + mm/Makefile | 2 +- mm/hugetlb.c | 852 +----------------------------------------- mm/hugetlb_internal.h | 114 ++++++ mm/hugetlb_sysctl.c | 134 +++++++ mm/hugetlb_sysfs.c | 630 +++++++++++++++++++++++++++++++ 6 files changed, 890 insertions(+), 844 deletions(-) create mode 100644 mm/hugetlb_internal.h create mode 100644 mm/hugetlb_sysctl.c create mode 100644 mm/hugetlb_sysfs.c -- 2.43.0