From mboxrd@z Thu Jan 1 00:00:00 1970 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 C1F7DC48BE8 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 A89BE61468 for ; Tue, 15 Jun 2021 13:27:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231210AbhFON3J (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 Content-Transfer-Encoding: 8bit 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-block@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 */ -- 2.30.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 8D38BC49361 for ; Tue, 15 Jun 2021 13:27:56 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DCD2661460 for ; Tue, 15 Jun 2021 13:27:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DCD2661460 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4G48JV6Vbvz3c1t for ; Tue, 15 Jun 2021 23:27:54 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=aHNcz6QE; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=casper.srs.infradead.org (client-ip=2001:8b0:10b:1236::1; helo=casper.infradead.org; envelope-from=batv+01b1093948f83d17b939+6505+infradead.org+hch@casper.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=aHNcz6QE; dkim-atps=neutral Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4G48HX1QhPz3c74 for ; Tue, 15 Jun 2021 23:27:04 +1000 (AEST) 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 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 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html 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: linux-arch@vger.kernel.org, linux-block@vger.kernel.org, Thomas Bogendoerfer , Chaitanya Kulkarni , Mike Snitzer , Geoff Levand , linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, Dongsheng Yang , linux-kernel@vger.kernel.org, "James E.J. Bottomley" , dm-devel@redhat.com, Ilya Dryomov , Ira Weiny , ceph-devel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 */ -- 2.30.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 BFC8CC48BDF for ; Tue, 15 Jun 2021 13:27:13 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4181761468 for ; Tue, 15 Jun 2021 13:27:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4181761468 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-49-2uM5DSKKOl-a9HhzbeZHJA-1; Tue, 15 Jun 2021 09:27:10 -0400 X-MC-Unique: 2uM5DSKKOl-a9HhzbeZHJA-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 17BB5100C662; Tue, 15 Jun 2021 13:27:04 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3AFB9100238C; Tue, 15 Jun 2021 13:27:03 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 43F511809CAD; Tue, 15 Jun 2021 13:27:00 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 15FDQsND004457 for ; Tue, 15 Jun 2021 09:26:55 -0400 Received: by smtp.corp.redhat.com (Postfix) id 528092136D73; Tue, 15 Jun 2021 13:26:54 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4E10F2136D79 for ; Tue, 15 Jun 2021 13:26:50 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [205.139.110.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C7291857AA4 for ; Tue, 15 Jun 2021 13:26:50 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-236-siveVz2JPV2aPckZ2xQx0A-1; Tue, 15 Jun 2021 09:26:48 -0400 X-MC-Unique: siveVz2JPV2aPckZ2xQx0A-1 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 Date: Tue, 15 Jun 2021 15:24:41 +0200 Message-Id: <20210615132456.753241-4-hch@lst.de> 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 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: dm-devel@redhat.com Cc: linux-arch@vger.kernel.org, linux-block@vger.kernel.org, Thomas Bogendoerfer , Chaitanya Kulkarni , Mike Snitzer , Geoff Levand , linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, Dongsheng Yang , linux-kernel@vger.kernel.org, "James E.J. Bottomley" , dm-devel@redhat.com, Ilya Dryomov , Ira Weiny , ceph-devel@vger.kernel.org Subject: [dm-devel] [PATCH 03/18] mm: use kmap_local_page in memzero_page X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 */ -- 2.30.2 -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel