From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1A0A0C61DD3 for ; Mon, 31 Aug 2026 05:45:06 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hYHxq1f3Mz2yvT; Mon, 31 Aug 2026 15:44:47 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788155087; cv=none; b=MQdEvFG+m0CKh56pzU0qkw4ENNYLkDVPIuYgp/4dRnOF02yV5PyoLxkfR/rJV6PyZp2okl2WcBB4zUNCeNm91tGEvwU75+lDedbIVtME1Potw+ZwlOc80aVFNWVVInA2SzRni31Xt2KMUeXe8Jp1AXaFoaOvY3xx+UPyWImCRtoKIkdBm7A8o1+h5/z1t1AmpG9D/35rFR2b+OlwzjQjKyqwHRGJsVDQseqnHiRKNF2Xy6SzumyhK8ztIvW2cDAEFr3nj/YWOTZxWo3l7tdzREOXWU69xFDKO8gCnst+dPukyRB8kZCmUaJIHg4hGMg4WYXfCy8dxy8FWC1Y9C2w2g== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1788155087; c=relaxed/relaxed; bh=l8tEaJoybxgEHiydhpmRrd0zyZxOUOa5tuSqtahiLM8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TAqUdrobTgJMrevVT8v+/nkeKJTCM1OEwT2SFJt85QM5jFz4uMGzm7ZGK+FMRkjXHvtfQB40rAbH+/Brtkaxt1/JRzABK7i4nw2ha6EA4qXD3OXu71zffWW8udNSQrsfQVT5vHt0E1RPElW3uoFwnjN0bHM8sCQ1+65aff87tfHenSvmpw04OV792vVpFBHMwfp2vgzYtTsDMj4aqvVp+XFvnQTjLiG0hyuaQzBO4lsDQ93D/K71Fia548xvDuYLTifww2Ixm469T3ecoxUqAY4kVog0mDP11QSKydgNrHeJp5BIWUktQ/DtJl4RrIXQxE2vjYN96GfPWBTRNg4bng== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com; dkim=pass (1024-bit key; unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=U0L19rtb; dkim-atps=neutral; spf=pass (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=anshuman.khandual@arm.com; receiver=lists.ozlabs.org) smtp.mailfrom=arm.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=U0L19rtb; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=arm.com (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=anshuman.khandual@arm.com; receiver=lists.ozlabs.org) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lists.ozlabs.org (Postfix) with ESMTP id 4hYHxn1bwFz2yDm for ; Mon, 31 Aug 2026 15:44:44 +1000 (AEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9CF061A32; Sun, 30 Aug 2026 22:43:56 -0700 (PDT) Received: from localhost (a085714.arm.com [10.164.19.28]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6785C3F85F; Sun, 30 Aug 2026 22:43:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1788155040; bh=19JNL2aQ1m2bgjsQFbzvNHwUtw8tQlkca/Xxp7GPwo8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U0L19rtbEHy9Bp2X2iUVLKKtbExFWVCCT5piVe9NpoUB1AFhA8YHZQbH1wlPAPfX4 Ay2S64IR505XEPoJ0IN4Oh6nslmTu7PwulMz8Lw7NqgU8iCXl/uxnUPMxcESRtkCpw mWcDca7zBkcW4qfWA9izm/4P351I4KVkwzyARqd8= From: Anshuman Khandual To: linux-mm@kvack.org Cc: samuel.holland@sifive.com, Anshuman Khandual , David Hildenbrand , Mike Rapoport , Andrew Morton , Lorenzo Stoakes , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "James E.J. Bottomley" , Helge Deller , Huacai Chen , WANG Xuerui , linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/8] sh/mm: Stop using pgd_ERROR() Date: Mon, 31 Aug 2026 11:13:29 +0530 Message-ID: <20260831054331.625505-8-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260831054331.625505-1-anshuman.khandual@arm.com> References: <20260831054331.625505-1-anshuman.khandual@arm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Stop using pgd_ERROR() in __get_pte_phys() when page table entry is already known to be empty. Cc: Yoshinori Sato Cc: Rich Felker Cc: John Paul Adrian Glaubitz Cc: linux-sh@vger.kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: David Hildenbrand (Arm) Acked-by: Mike Rapoport (Microsoft) Signed-off-by: Anshuman Khandual --- arch/sh/mm/init.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 8d65e60688dc..93921109f4e6 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -52,10 +52,8 @@ static pte_t *__get_pte_phys(unsigned long addr) pmd_t *pmd; pgd = pgd_offset_k(addr); - if (pgd_none(*pgd)) { - pgd_ERROR(*pgd); + if (pgd_none(*pgd)) return NULL; - } p4d = p4d_alloc(NULL, pgd, addr); if (unlikely(!p4d)) { -- 2.43.0