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([110.9.142.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d0aa4d67dcsm9219905ad.70.2026.08.04.08.12.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Aug 2026 08:12:33 -0700 (PDT) From: Sang-Heon Jeon To: Andrew Morton , David Hildenbrand Cc: "Liam R. Howlett" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , Zi Yan Subject: [PATCH v2 1/2] mm/Kconfig: make FLATMEM depend on !NUMA Date: Wed, 5 Aug 2026 00:11:41 +0900 Message-ID: <20260804151145.3419768-2-ekffu200098@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260804151145.3419768-1-ekffu200098@gmail.com> References: <20260804151145.3419768-1-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 FLATMEM + NUMA is not supported by any architecture and fails to build. The constraint is only implicit in the arch Kconfig files. So make it explicit in mm/Kconfig. No functional change. Suggested-by: Zi Yan Signed-off-by: Sang-Heon Jeon --- mm/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/Kconfig b/mm/Kconfig index 060190e12bce..331daf7fcfab 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -390,6 +390,7 @@ choice config FLATMEM_MANUAL bool "Flat Memory" + depends on !NUMA depends on !ARCH_SPARSEMEM_ENABLE || ARCH_FLATMEM_ENABLE help This option is best suited for non-NUMA systems with @@ -424,6 +425,7 @@ config SPARSEMEM config FLATMEM def_bool y + depends on !NUMA depends on !SPARSEMEM || FLATMEM_MANUAL # -- 2.43.0