From patchwork Tue Jun 15 13:24:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12321355 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D67E5C48BE5 for ; Tue, 15 Jun 2021 13:27:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B47D061480 for ; Tue, 15 Jun 2021 13:27:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230246AbhFON3J (ORCPT ); Tue, 15 Jun 2021 09:29:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231171AbhFON3G (ORCPT ); Tue, 15 Jun 2021 09:29:06 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F5BFC061574; Tue, 15 Jun 2021 06:27:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=1XxTqLx/vs09xzF7xNS0VaIj4xYUndutT8UPrg8vDg4=; b=aHNcz6QEz20YOXyOoU788juHt1 IkccSwV0j1nB21d81HyU0cuTXMYo6yT2Tm6EmevigmjufOVssEY37tY4G3ouYxbe3QShzMra37xjf IUDN06H7tPPoDhOoGU5B42AD+xJvbPX20HIU1IKaBTENjsdGnCFhQ1Aqgcamea/L91UqkS9DlcJvX n+q7B93TQ5lJ/MHmzpA4Q7zastPvPPcLFZDMAT0Ayk/KokeZxDQkQl8EMFUtp2ZQJtcpiIQKb/Rwm dJlvK0U0C6HRrhC+J0afBlftZDWNDR4eQEMoiE4YAuzdnm8PTCIiD1boi6NQsvAsY68EJjlJr9zfr xFCT6UmQ==; Received: from [2001:4bb8:19b:fdce:9045:1e63:20f0:ca9] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1lt94Z-006nvL-Mz; Tue, 15 Jun 2021 13:25:50 +0000 From: Christoph Hellwig To: Jens Axboe , Thomas Gleixner Cc: Thomas Bogendoerfer , Geoff Levand , Ilya Dryomov , Dongsheng Yang , Mike Snitzer , "James E.J. Bottomley" , Ira Weiny , dm-devel@redhat.com, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, linux-arch@vger.kernel.org, Chaitanya Kulkarni Subject: [PATCH 03/18] mm: use kmap_local_page in memzero_page Date: Tue, 15 Jun 2021 15:24:41 +0200 Message-Id: <20210615132456.753241-4-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210615132456.753241-1-hch@lst.de> References: <20210615132456.753241-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org No need for kmap_atomic here. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni Reviewed-by: Ira Weiny --- include/linux/highmem.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/highmem.h b/include/linux/highmem.h index d0497c0daf80..d3df0e2db44f 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -338,9 +338,9 @@ static inline void memcpy_to_page(struct page *page, size_t offset, static inline void memzero_page(struct page *page, size_t offset, size_t len) { - char *addr = kmap_atomic(page); + char *addr = kmap_local_page(page); memset(addr + offset, 0, len); - kunmap_atomic(addr); + kunmap_local_dirty(page, addr); } #endif /* _LINUX_HIGHMEM_H */