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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 626BAC5DF74 for ; Tue, 18 Aug 2026 04:02:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VAaSq06o5eLcDNJ2uS+etL1R98Fm8iCuW38Uswmm3gk=; b=lEvPuYmDuAxZjv5towwME+RHGU +I3qBoF2w1lJ4Wrg39vZTa053jCJsAt0bOt87fmTtGosB6M9f5Wp2/+CVh6ni9soHkDVZZWYnxprY RdgsFCTDHwNXh/c1S2dYILQ4wkl1wLE2ZOSYaUHDOHNJ5vWwy2+Z+/gQK7FaQXVSJpXnPIvzGOQDk 6ElSecydnlCSxufCH0inNzQm4pzL4QqU7DGNCsS9O6zCREiJn58Z+eVt3uihmr+BZLyxy3dR0jLAp UD7BBiIiy/7XgeTK3qzj0qacdX4CxjptEZ1dtWR+gpCUC0WsbhDGqedtPIbWrciejgcI+bn3DuP45 f25v2+FQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwB1K-00000007F1V-02Zw; Tue, 18 Aug 2026 04:01:50 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwB0j-00000007EPi-02S6; Tue, 18 Aug 2026 04:01:43 +0000 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 8FB111A25; Mon, 17 Aug 2026 21:01:07 -0700 (PDT) Received: from localhost (a085714.arm.com [10.164.19.28]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 808DB3F66F; Mon, 17 Aug 2026 21:01:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1787025671; bh=bPcYhQD4bzcwPSxJ8xkr0nWAdwCuI4IUaFLUJoGzm0o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tc5newTUC09VdGP5B76jtkjpI9sci0rMLtuInHFPNr66B6IGS4L8Sm6tk4cwRiJ/b 5h9Qek1XhXsg75s765gvhzEXLlsEvx2RUEZ09z5Yy66pdJ94V8xeAxBFwA0Aq2SxNr PoXj1cVq1/8qvOSP1sQSfrCVEOq/UFl8/jpp1jbo= From: Anshuman Khandual To: linux-mm@kvack.org, akpm@linux-foundation.org, david@kernel.org Cc: Anshuman Khandual , 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: [RFC V3 7/8] sh/mm: Stop using pgd_ERROR() Date: Tue, 18 Aug 2026 09:30:40 +0530 Message-ID: <20260818040041.1891769-8-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260818040041.1891769-1-anshuman.khandual@arm.com> References: <20260818040041.1891769-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260817_210113_111195_7D0B3C06 X-CRM114-Status: UNSURE ( 8.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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) 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