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([110.9.142.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-847a02d41c0sm18474b3a.33.2026.06.29.09.38.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2026 09:38:07 -0700 (PDT) From: Sang-Heon Jeon To: rppt@kernel.org, Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: linux-mm@kvack.org, Sang-Heon Jeon , Alexandre Ghiti , linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Charlie Jenkins Subject: [PATCH v2 3/8] riscv: remove unreachable invalid range check in create_linear_mapping_page_table() Date: Tue, 30 Jun 2026 01:37:31 +0900 Message-ID: <20260629163736.1606688-4-ekffu200098@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260629163736.1606688-1-ekffu200098@gmail.com> References: <20260629163736.1606688-1-ekffu200098@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit create_linear_mapping_page_table() iterates memblock regions with for_each_mem_range() and breaks the loop when start >= end. for_each_mem_range() never returns an invalid range, so start < end always. Therefore the start >= end check is unreachable, so remove it. No functional change. Signed-off-by: Sang-Heon Jeon Reviewed-by: Charlie Jenkins Tested-by: Charlie Jenkins --- arch/riscv/mm/init.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 5b1b3c88b4d1..eb93c2ac05a6 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -1229,8 +1229,6 @@ static void __init create_linear_mapping_page_table(void) /* Map all memory banks in the linear mapping */ for_each_mem_range(i, &start, &end) { - if (start >= end) - break; if (start <= __pa(PAGE_OFFSET) && __pa(PAGE_OFFSET) < end) start = __pa(PAGE_OFFSET); -- 2.43.0