From patchwork Tue Jul 30 06:47:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: alexs@kernel.org X-Patchwork-Id: 1966498 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=mfAajOsY; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WYBNK6p6Tz1ybV for ; Tue, 30 Jul 2024 20:31:29 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=mfAajOsY; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4WYBNK54Gkz30XZ for ; Tue, 30 Jul 2024 20:31:29 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=mfAajOsY; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=145.40.73.55; helo=sin.source.kernel.org; envelope-from=alexs@kernel.org; receiver=lists.ozlabs.org) Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4WY5LY4sBlz3cZR for ; Tue, 30 Jul 2024 16:44:37 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 3F38ACE0E51; Tue, 30 Jul 2024 06:44:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 939DCC4AF09; Tue, 30 Jul 2024 06:44:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722321875; bh=ccXL2chU8a/94eL1T1pI+a3Q5/w60GPmzE5TdAMCqlY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mfAajOsY0bas1KjIZ7zbi0ly7eR8srfqY9/dGjSCEZBhCcX9YS6VakfWING1fsGF9 W0YCBavaz4bKXWCT+t6Yhfu/nqQvhZRU8uQ4308gV21op4ifIO73UuI1kTRWXnNtuQ s5Z/K60Rw4yOKEM2lNhxjV21z9g0mIa7otDskKJSUtzhlDHiE0nSamwvKeBMBIax9v uECArXHvXKdVLqGvan7uo4dKgcLJgys3j/9lFLYcEfUC1FUurphSmLjUuWStQ30LeH mcqLnZdVd1vSIjm4Q5ofH7j6+1Ir6OhcZ/gLzfEGTM1DHna6l6J8fJTKaOJDBS/8EQ RPhVDl0tGnBTA== From: alexs@kernel.org To: Will Deacon , "Aneesh Kumar K . V" , Nick Piggin , Peter Zijlstra , Russell King , Catalin Marinas , Brian Cain , WANG Xuerui , Geert Uytterhoeven , Jonas Bonn , Stefan Kristiansson , Stafford Horne , Michael Ellerman , Naveen N Rao , Paul Walmsley , Albert Ou , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , Andy Lutomirski , Bibo Mao , Baolin Wang , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Qi Zheng , Vishal Moola , "Aneesh Kumar K . V" , Kemeng Shi , Lance Yang , Peter Xu , Barry Song , linux-s390@vger.kernel.org Subject: [RFC PATCH 08/18] mm/memory: use ptdesc in __pte_alloc Date: Tue, 30 Jul 2024 14:47:02 +0800 Message-ID: <20240730064712.3714387-9-alexs@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240730064712.3714387-1-alexs@kernel.org> References: <20240730064712.3714387-1-alexs@kernel.org> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 30 Jul 2024 20:25:54 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ryan Roberts , Alexandre Ghiti , Alex Shi , David Hildenbrand , Anup Patel , Hugh Dickins , Andrew Morton , Christophe Leroy , Samuel Holland , Palmer Dabbelt , Matthew Wilcox , Jisheng Zhang , Breno Leitao , Guo Ren , Alexander Gordeev , Gerald Schaefer , Josh Poimboeuf , Mike Rapoport , Oscar Salvador Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Alex Shi Replace pgtable_t by ptdesc in function __pte_alloc. We will remove pgtable_t from all place. Signed-off-by: Alex Shi Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Cc: Andrew Morton --- mm/memory.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index b9f5cc0db3eb..5b01d94a0b5f 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -445,13 +445,13 @@ void pmd_install(struct mm_struct *mm, pmd_t *pmd, pgtable_t *pte) int __pte_alloc(struct mm_struct *mm, pmd_t *pmd) { - pgtable_t new = pte_alloc_one(mm); - if (!new) + struct ptdesc *ptdesc = page_ptdesc(pte_alloc_one(mm)); + if (!ptdesc) return -ENOMEM; - pmd_install(mm, pmd, &new); - if (new) - pte_free(mm, new); + pmd_install(mm, pmd, (pgtable_t *)&ptdesc); + if (ptdesc) + pte_free(mm, ptdesc_page(ptdesc)); return 0; }