From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0D2373D16E9 for ; Mon, 31 Aug 2026 05:44:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788155043; cv=none; b=B9AFwL5F+FBbgHWK/G71xUtIk0WpwF/pTk/9ZzpHW/SpSeH7uuTVyZ1Zwnlo83pxEkIURAuFtxUdjjjOgYeN1674aP4aU5SyMvduNfuOf+N1dLFhR2wBPju/pn0uUFwdV+k8GKxHWF3ykmE+Gl3jjOtpGIZaEGjsA7lf7XpFo6o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788155043; c=relaxed/simple; bh=19JNL2aQ1m2bgjsQFbzvNHwUtw8tQlkca/Xxp7GPwo8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SuVFcXBYf8SkDnte2mFAmJM8sBosp1h9dLeBejifQYDnk860Z4V91auQw7537Jj/M4TPjx8qUCUN401OltsveWRP09qpKrOZfQhFn43LWNQdHld5rbgR3T36LS5m7MIYrLinlIRathohfXfuYh7q+Ju/zIUqvmdYG7wZPXL0GPg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=U0L19rtb; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="U0L19rtb" 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> Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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