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([110.9.142.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-845a40d23d7sm10041108b3a.30.2026.06.28.06.59.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Jun 2026 06:59:02 -0700 (PDT) From: Sang-Heon Jeon To: Andrew Morton , Mike Rapoport Cc: Sang-Heon Jeon , linux-mm@kvack.org Subject: [PATCH 7/9] mm: numa_memblks: remove redundant numa_nodemask_from_meminfo() Date: Sun, 28 Jun 2026 22:58:21 +0900 Message-ID: <20260628135828.1393120-8-ekffu200098@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260628135828.1393120-1-ekffu200098@gmail.com> References: <20260628135828.1393120-1-ekffu200098@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: eiwx65mpxin7amz7pdaqwxpmsk5tyrh4 X-Rspamd-Queue-Id: 065C040002 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1782655144-224921 X-HE-Meta: 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 qQ/ebqcs w8lyJkRrT+4sDFUNAjSyaihxlEDxU+lLP+5ng+IhNsbsmGzHj7aMqjExJEsn86XtuZLOQRB9JWEEW8To2f9oSqffIVN55s1MqRxXqawPXhzm5nEE6J2tuyxecSG2D6PuO+Qby4C/a1TWIavbU2X9Uo7df8RwWXyEIKPsfM4brK/3gEk6jc3tlSHwuQ4ymAThAvg1deNIgQZSZbjIHVZu+Qhq5U+jhMY3JMbpaAXTJAZmvYevCLBVjmfoapPRCb6XCMXcmSYNeP28O8GwqcOxx+WOp1Hrjg948G6XngvSBXGQckEViuQa7XWa2aHt496TwnAeUUrFTBa4l0+zi4L/M+jFGDc6XOY81Doee8ZXDMT0y4gSO7IZX8HRJKsnlXWS6vZZnKF0WwUVVoilVI+yXsa/Pw3cMFcPk01ColkhRUE8BAM6hu5qcnXKQVE+XS5CVbhWjlNOuxO0MVAQ= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: numa_add_memblk() now sets each added node in numa_nodes_parsed, so numa_nodes_parsed already contains every node that owns memory. The nodes numa_nodemask_from_meminfo() adds from numa_meminfo are already set, so the calls in numa_alloc_distance() and numa_register_meminfo() are redundant. So remove both call sites and the unused function itself. No functional change. Signed-off-by: Sang-Heon Jeon --- mm/numa_memblks.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/mm/numa_memblks.c b/mm/numa_memblks.c index 2d92ca38c02a..edc231538954 100644 --- a/mm/numa_memblks.c +++ b/mm/numa_memblks.c @@ -17,20 +17,6 @@ nodemask_t numa_nodes_parsed __initdata; static struct numa_meminfo numa_meminfo __initdata_or_meminfo; static struct numa_meminfo numa_reserved_meminfo __initdata_or_meminfo; -/* - * Set nodes, which have memory in @mi, in *@nodemask. - */ -static void __init numa_nodemask_from_meminfo(nodemask_t *nodemask, - const struct numa_meminfo *mi) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(mi->blk); i++) - if (mi->blk[i].start != mi->blk[i].end && - mi->blk[i].nid != NUMA_NO_NODE) - node_set(mi->blk[i].nid, *nodemask); -} - /** * numa_reset_distance - Reset NUMA distance table * @@ -56,7 +42,6 @@ static int __init numa_alloc_distance(void) /* size the new table and allocate it */ nodes_parsed = numa_nodes_parsed; - numa_nodemask_from_meminfo(&nodes_parsed, &numa_meminfo); for_each_node_mask(i, nodes_parsed) cnt = i; @@ -411,7 +396,6 @@ static int __init numa_register_meminfo(struct numa_meminfo *mi) /* Account for nodes with cpus and no memory */ node_possible_map = numa_nodes_parsed; - numa_nodemask_from_meminfo(&node_possible_map, mi); if (WARN_ON(nodes_empty(node_possible_map))) return -EINVAL; -- 2.43.0