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([110.9.142.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d3ae79f0cesm10029415ad.18.2026.08.14.06.37.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Aug 2026 06:37:56 -0700 (PDT) From: Sang-Heon Jeon To: Andrew Morton , Mike Rapoport Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v3 0/2] mm/mm_init: simplify zone_spanned_pages_in_node() Date: Fri, 14 Aug 2026 22:37:37 +0900 Message-ID: <20260814133744.2746782-1-ekffu200098@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hello, This series simplifies zone_spanned_pages_in_node(), which adjusts *zone_start_pfn and *zone_end_pfn before and after calling adjust_zone_range_for_zone_movable(). The helper adjusts the same two values, which makes the code harder to follow. Patch 1 folds adjust_zone_range_for_zone_movable() into the caller, extracts zone_movable_pfn[nid] into a local variable, and reduces the indentation level. Patch 2 removes the clamping to node_end_pfn and moves the check and the clamping to node_start_pfn into the ZONE_MOVABLE branch, which is the only place they have an effect. It also merges the two branches that adjust for zone_movable_pfn[nid]. No functional change. --- Changes from v2 [2] - Squash patches 2 to 4 into one and fold patch 5 into patch 1, as Mike suggested Changes from v1 [1] - Change base to memblock/for-next - Add patch 4 to merge the two branches - Update comment [1] https://lore.kernel.org/all/20260804144803.3290255-1-ekffu200098@gmail.com/ [2] https://lore.kernel.org/all/20260806162100.313965-1-ekffu200098@gmail.com/ --- Sang-Heon Jeon (2): mm/mm_init: fold adjust_zone_range_for_zone_movable() into its only caller mm/mm_init: simplify ZONE_MOVABLE branch in zone_spanned_pages_in_node() mm/mm_init.c | 79 ++++++++++++++++++++++++---------------------------- 1 file changed, 36 insertions(+), 43 deletions(-) -- 2.43.0