From patchwork Tue May 31 04:36:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongchen Zhang X-Patchwork-Id: 12865059 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7AEA3C433EF for ; Tue, 31 May 2022 04:36:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241480AbiEaEgW (ORCPT ); Tue, 31 May 2022 00:36:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243839AbiEaEgV (ORCPT ); Tue, 31 May 2022 00:36:21 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 75C948217E; Mon, 30 May 2022 21:36:19 -0700 (PDT) Received: from localhost.localdomain.localdomain (unknown [10.2.5.46]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9BxeeQ7m5VisVAJAA--.36194S2; Tue, 31 May 2022 12:36:16 +0800 (CST) From: Hongchen Zhang To: Thomas Bogendoerfer , "Matthew Wilcox (Oracle)" , Zhaolong Zhang Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Hongchen Zhang Subject: [PATCH] MIPS: fix pmd_mkinvalid Date: Tue, 31 May 2022 12:36:09 +0800 Message-Id: <1653971769-14152-1-git-send-email-zhanghongchen@loongson.cn> X-Mailer: git-send-email 1.8.3.1 X-CM-TRANSID: AQAAf9BxeeQ7m5VisVAJAA--.36194S2 X-Coremail-Antispam: 1UD129KBjvdXoWruF1rXF4rJryxAr15Xw4Dtwb_yoW3GrbEka 17uw4fWry0yF42vry7Xa95GFyag3Wru3s3X3Z3tw1jvas09w1UGayvq347Zr4Y9rsxurWf WF95GryrCFsxGjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb2AFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkIecxEwVCm-wCF04k2 0xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI 8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41l IxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIx AIcVCF04k26cxKx2IYs7xG6rWUJVWrZr1UMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvE x4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUywZ7UUUUU= X-CM-SenderInfo: x2kd0w5krqwupkhqwqxorr0wxvrqhubq/ Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org pmd_mkinvalid should not clear dirty flag,otherwise the pmd dirty flag,it's ok to just clear _PAGE_VALID. Signed-off-by: Hongchen Zhang --- arch/mips/include/asm/pgtable.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 374c632..d30a186 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -698,7 +698,7 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) static inline pmd_t pmd_mkinvalid(pmd_t pmd) { - pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY); + pmd_val(pmd) &= ~_PAGE_VALID; return pmd; }