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Wed, 19 Aug 2026 00:54:29 -0700 (PDT) Received: from PC-2B0BA31200898.company.local ([122.11.210.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3957faf596fsm1668929a91.11.2026.08.19.00.54.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Aug 2026 00:54:28 -0700 (PDT) From: Meijing Zhao To: Mike Rapoport , Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wandun Chen , Meijing Zhao Subject: [PATCH 0/2] mm: memblock: fix debugfs flag reporting Date: Wed, 19 Aug 2026 15:54:20 +0800 Message-Id: <20260819075422.2387980-1-zhaomeijing100@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Stat-Signature: zrinrk367zq1f8m8p96fsjakg5sk1tmh X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 621991A0007 X-HE-Tag: 1787126070-537216 X-HE-Meta: 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 Rity3cwj k43s8E2OM8BQM3cjANDWr8oapHTLw6p/fO1ZBSvKiwJB2ruMpRQvSwNxt/Djj1UyIPoSoqNcTRiiH+vstxz7z9SLWbN9/ebR6AOTzajCsaPvk8h7eEmVUZfFUZlNmjHa1uedPFnkuSI8gn5HwufdPJPWTcw4zT3a3Aa675I0pvAalf3eVVPR3W7yeBCLpUO3xBjFhF7JrQDMNOoUDFMWT5jCjmCdKjAShLbaD9oJZECNztbTNF7S2RLBKJmnXxuYpEGP4Z1bWXZPj6B1D2y++V6UscKvynFrJ7j6xTlkIjXfh5xubOhTXEpLUyhiyEiWy4M4Lkt8p+H6OeMKdcHsv9WAwR/Z9XFJXH6mZKZwtMgv8c1wscR913b6pslj4u3NGf4mY8UCqmZLPw64CPKG/0sEC8+11+jiy8Mm5qcSaUS5yNxLQW8WplmpiFqdm+pNCGD3HroSzw1MPyEilhiiBOqnIyw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Meijing Zhao The memblock debugfs interface has two issues when reporting region flags. MEMBLOCK_RSRV_HUGETLB has no corresponding name, and regions with multiple flags only show the lowest set bit. Add the missing HugeTLB flag name and make memblock_debug_show() print all flags. With the series applied, a HugeTLB bootmem reservation is reported as: RSV_KERN|RSV_HUGETLB Meijing Zhao (2): mm: memblock: add missing HugeTLB flag name mm: memblock: show all region flags in debugfs mm/memblock.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) -- 2.25.1