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([110.9.142.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d704b9f555sm18725405ad.40.2026.08.27.07.54.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Aug 2026 07:54:50 -0700 (PDT) From: Sang-Heon Jeon To: "David S. Miller" , Andreas Larsson Cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org Subject: [PATCH 1/2] sparc32: remove redundant memset in arch_mm_preinit() Date: Thu, 27 Aug 2026 23:54:33 +0900 Message-ID: <20260827145437.490605-2-ekffu200098@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260827145437.490605-1-ekffu200098@gmail.com> References: <20260827145437.490605-1-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: quoted-printable Content-Type: text/plain; charset="utf-8" memblock_alloc() returns zeroed memory, so the memset after the allocation is redundant. No functional change. Signed-off-by: Sang-Heon Jeon --- arch/sparc/mm/init_32.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index e0e66f91ceeb..b4f31d41d665 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -255,7 +255,6 @@ void __init arch_mm_preinit(void) prom_printf("mem_init: Cannot alloc valid_addr_bitmap.\n"); prom_halt(); } - memset(sparc_valid_addr_bitmap, 0, i << 2); =20 taint_real_pages(); } --=20 2.43.0 From nobody Sun Sep 27 00:39:06 2026 Received: from mail-pl1-f181.google.com (mail-pl1-f181.google.com [209.85.214.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B3F2285CAE for ; Thu, 27 Aug 2026 14:54:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787842502; cv=none; b=aQQcNow4Ucckyw4AqmghANMuj2rSsXChUtLc3wSjSXw8gildKfsC8keDQ73MDrGWnL3bsDSahdBtSpMOVBAVHmLkPJuYZjX+ugSOvSch8kY0RGQutHQamTvPSWPfAfOy6TSbSn7BgnGbKeED3qEjEy61np8d/QRG57d31FQzmkY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787842502; c=relaxed/simple; bh=PrK+ZTBPp9oMQZepAYrrwk/bXLxCzFuwkXY7dxFh4D0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gr+49UoEEYumYRpP2nUKsV9uvmEPinET72iwtPDugwVwmHON2pCivNliHfrYTFA9GCrSQNY/AzZs5DzC4AE1UfhaGUtw+AdzQgKpVJXXyE8U01q4cJ5p1ifJJGydSUs76dtb4mhyBXabAZi9SsHxSOFWBe/aG/qQ7olmASWjkAg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=GY/UmWFr; arc=none smtp.client-ip=209.85.214.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GY/UmWFr" Received: by mail-pl1-f181.google.com with SMTP id d9443c01a7336-2d6f55a7089so27780965ad.3 for ; Thu, 27 Aug 2026 07:54:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787842494; x=1788447294; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=z0BquGYPn2o69A57j1S92QvXaMtH50+KXNysShZUBXQ=; b=GY/UmWFr6bLIAXt98w9MRX63UrdBafAR/7f0ceRG5uMHGwbB3Xeru4DBEvEEixWyMs P9EoW7x0lQOkO7PxqoA108Hno1jaIohBHQfyRfOxp7QeSBfXDDQLrO+xMU2trwVxTH7z J4sU9jFs90Ce6IAJBgUSXiUpCe0qLMxr8xqjGCaIss2+2UIRnZjpJ3F1vyvS74oK4djd Mx098sbJIZULFYf/w17BGT78Mlig7Va7zvrsq1JpaZD3oDvImcbxnsc/rErKP4uLMuPD FYM430C1rHQfZj4qAZlf0Xfm3wg9X77ULVgMklcrHqbZjE/Kmqdt4Zp2t8KfMFWIeg/9 tj4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787842494; x=1788447294; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=z0BquGYPn2o69A57j1S92QvXaMtH50+KXNysShZUBXQ=; b=PH5JYEVV6KpD7ZtENABuHr8N+dN5l17z4jYIPiVwcJX5dnzKKTI3fFDJB9cVfSboXr dbbwYZGPc2TlrX05RmEGMJDZ64d3ijnjVZtHSRZGaSBJZQb4eAzsRWpQP4eK1hei4dKM KLZgwNcL0unVPDZQfl69HfKh2ox7sT5g9NyZfse/olHlM9d56osMFFlfxNNe1rvpXPW0 4g38i9XWYPdyQUYwrYn3GBtJl0Cyj5OkrF5pZUox5SLSo3aRirwt4EGG0erIi6hqEag6 i1rEI2rosGjkKT2CXuzGcrCAF9K80pZD+RTdqHXZW3fCSRlRMn8sL4l+/7EVpVM1B8Kx ib7g== X-Gm-Message-State: AFuF++kwMj7uuFDcCnyaBhDEl23aA8kk0Ww+F8Ilkm2GI61YYUFAJvzX M9cXNfXYS+QidjnfhYJsuHT21My4ESJtuqau2tcpRM0d8pmipjrMTcRR X-Gm-Gg: AR+sD10tS3HNSIMr1RFNPKuvYU03sh5L23LefXvlD9TTApQKv+sQFUJguerEgu35w6K rWJUcyP2EZ+oBtdoAXuIWEfMKKZaWLqSREylVtMHu8mjSVyt1k1y5OA70ZR35syk8vRfayzu25U 2qIfbiLCSOrmg1fT3qndNEL36fYwuVHkog13+HtpVG9749IB+d4s2YLxFMRhYo3rEnhDYOUY2tF 4Hoh+BejeovA6ONKMr7jxqPzBNDoD6ME1Bolm0aE5ej1rEhkCqTgkJWwGSftD8nqUh2HWbt5hwn R6muW/BTg4U0DFr/JEl84L7StTiPDTeDYRkjoQeFnPskWC2udpC3BGGsSLY8PqXSg3BFW1INIlN BtzTX/YVhHvWjl9U4IlXLbCyTbdbQ24++ByyloFPcenVfgA/DY7g122iCCv8vi92THdeXszMsSe fIymoKm2/BAkgCVP1A9DcaODlGXoy+eA5nP4VK+Otb7yWYEwb5FvNI9BQ= X-Received: by 2002:a17:903:1ae8:b0:2d6:f3f0:3e7a with SMTP id d9443c01a7336-2d707957143mr289849535ad.3.1787842494167; Thu, 27 Aug 2026 07:54:54 -0700 (PDT) Received: from ubuntu.. ([110.9.142.4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d704b9f555sm18725405ad.40.2026.08.27.07.54.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Aug 2026 07:54:52 -0700 (PDT) From: Sang-Heon Jeon To: "David S. Miller" , Andreas Larsson Cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org Subject: [PATCH 2/2] sparc32: remove redundant memset in srmmu_nocache_init() Date: Thu, 27 Aug 2026 23:54:34 +0900 Message-ID: <20260827145437.490605-3-ekffu200098@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260827145437.490605-1-ekffu200098@gmail.com> References: <20260827145437.490605-1-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: quoted-printable Content-Type: text/plain; charset="utf-8" memblock_alloc_or_panic() returns zeroed memory, so the memset after the allocation is redundant. No functional change. Signed-off-by: Sang-Heon Jeon --- arch/sparc/mm/srmmu.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index 9a74902ad181..f9a92a07a255 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -279,7 +279,6 @@ static void __init srmmu_nocache_init(void) =20 srmmu_nocache_pool =3D memblock_alloc_or_panic(srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX); - memset(srmmu_nocache_pool, 0, srmmu_nocache_size); =20 srmmu_nocache_bitmap =3D memblock_alloc_or_panic(BITS_TO_LONGS(bitmap_bits) * sizeof(long), --=20 2.43.0