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: 13746760 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 C129EC3DA61 for ; Tue, 30 Jul 2024 06:44:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5aV5MwX8FU/+tIKY/RD+5jyksAxiq4I+tT3O51FCzi4=; b=SMCetomWts7tsA UunopEJqGbXwBvw8fKlH+a10rrVtfzBM3lrDmfQPYTcAitm7QaglnYqv17g8nB5uvp31UKk4Y3T+s Ps2J+C8J9TWJwNYI05dbwRWdoOmOaOLZAolVqGMR3fNr4flHdU32pgXFXaMyjd2sARd0Xhbw2YOo2 X4Pnhb81QGWhPSH8aQ0xmDc1SvH/qwbKaVkl7trwjCH0ZAIk+bmEXC/Png5XG1L3LlTi13AguBLQw lKciKTuqFvtVGF8XqNgllG/GWKH4zP0PISqFU31G6YqybbbygDQwxJRiZUJsSGpGcwmpVuzdzwgKW W+flj7PgO0Knh8us0ESA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYgbC-0000000DstT-2EnV; Tue, 30 Jul 2024 06:44:42 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYgb8-0000000Dsqr-1pzh; Tue, 30 Jul 2024 06:44:40 +0000 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 Cc: Guo Ren , Christophe Leroy , Palmer Dabbelt , Mike Rapoport , Oscar Salvador , Alexandre Ghiti , Jisheng Zhang , Samuel Holland , Anup Patel , Josh Poimboeuf , Breno Leitao , Alexander Gordeev , Gerald Schaefer , Hugh Dickins , David Hildenbrand , Ryan Roberts , Matthew Wilcox , Alex Shi , Andrew Morton 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240729_234438_838814_44C6D546 X-CRM114-Status: GOOD ( 12.04 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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; }