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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A491BC4450A for ; Tue, 14 Jul 2026 17:27:25 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BA6B56B0095; Tue, 14 Jul 2026 13:27:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B7E906B0099; Tue, 14 Jul 2026 13:27:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A707E6B009B; Tue, 14 Jul 2026 13:27:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 7DA2E6B0095 for ; Tue, 14 Jul 2026 13:27:24 -0400 (EDT) Received: from smtpin26.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 01C4040461 for ; Tue, 14 Jul 2026 17:27:23 +0000 (UTC) X-FDA: 84988063608.26.03A47CE Received: from mail-pf1-f177.google.com (mail-pf1-f177.google.com [209.85.210.177]) by imf19.hostedemail.com (Postfix) with ESMTP id 3B1EC1A0004 for ; Tue, 14 Jul 2026 17:27:22 +0000 (UTC) Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=gmail.com header.s=20251104 header.b=r2T2H14f; spf=pass (imf19.hostedemail.com: domain of ryncsn@gmail.com designates 209.85.210.177 as permitted sender) smtp.mailfrom=ryncsn@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1784050042; b=iC4i4bZTP+h0YaqjS1TBFt6ZHUT0tgjjHQFp5kwlRndCwotBjT3iXwHYHFfomG4BDBb2RW PV/CfOtboVskBjnnPexX0zEjPCH6ceryfdGnCQZTXaNnYjfGmw9fB4oe2oSPsMatq5cPOQ P3iSHuw9NDX8aNHHU6OhzQdoqU5I2Kg= ARC-Authentication-Results: i=1; imf19.hostedemail.com; dkim=pass header.d=gmail.com header.s=20251104 header.b=r2T2H14f; spf=pass (imf19.hostedemail.com: domain of ryncsn@gmail.com designates 209.85.210.177 as permitted sender) smtp.mailfrom=ryncsn@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1784050042; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=cPBMPvqjLyCw7WlFPS2PjvycvnYwB9f3AC5cSDOIyL8=; b=tQnfnBurMePAOdzTndTbh6ctMgg1n2VB9USkXg6toOT2PhxKjL3MlmWKXIdn43bWg+Op6d 5k4oQNYChf86x4PZdx9jwJHor+61H7b/SPMKGcbyQs960wSYWNOXChxdxn3oRm6BKnpk6I xMFgJFPN00CKpIsDMU+idx+HkrzLuA4= Received: by mail-pf1-f177.google.com with SMTP id d2e1a72fcca58-84a2dcec51cso2985740b3a.3 for ; Tue, 14 Jul 2026 10:27:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1784050041; x=1784654841; darn=kvack.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=cPBMPvqjLyCw7WlFPS2PjvycvnYwB9f3AC5cSDOIyL8=; b=r2T2H14fX59BIfdo5QYxianzlGwq///UBM47UqeXidF0SAypjZbwtMBn11DxN3rI8E qHgnSQ7YugotjU/pp2kVoDrkbQdL+ArXi7irDziwfdRN8mCq7P1/g1IvCuzZdsEiZJte Wsp8byALh3OztOd/ejWkuhGJBE09ZWgqwWRHlia7KHNVakwIMBx+FIPNIdNl66xVg7Kw hMRWMS6Z6pNoSP0Nix5vfgabTI6wCjGlp6n9//xRh+hHrFUi00VDfB7smwCmCALTrf6I 0+NeGisr0Jsg1gcTisP39EhgQYQlupzLXSJbdA/uKvx68ldYU9OOVDwuMCwvi6pogvli IsoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784050041; x=1784654841; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=cPBMPvqjLyCw7WlFPS2PjvycvnYwB9f3AC5cSDOIyL8=; b=OlBXtz1c/KGitjuizjSE4M9sNuHtukBIoxfbr2HN1M4tzCdA+8vZvQV75aV6oaL22l VuyE3faqc2egfX0JrfmRHwfq0BaqoDqQYuDynlFJckDNU3FUBBsEka8AuCKiKv5YfVdy 9OpqsrbV9igh8fQnozUuse8JHxmkh/NJ69h66rTN64i6Jipt8KJLwN1AoTWAMm+3VnZs xWroL+ezOlZRMYU7h5rF6mdLwExxfT6AymmNkjVbnviBdk97OGCCDXOdw3Q29WZ9+LvI vojn66Vs795jCBeMwbyIvxRD1E7sw6smyl7cVuvbdICQ7U3/Plw0HrSQ3KN+PVXE3dxM F/sA== X-Gm-Message-State: AOJu0YxE/QQTw5sU6icLuE0h2sEY68K6raX8JhajFUVaFGRzJPoGapd6 4Z1V7aqfzM25HangAhNWhV9y6E3N5ZTV+69e3ClIkoCpp0w/g5uVLTAHDy6hZVGzzT8= X-Gm-Gg: AfdE7cl7sMoz/MkfAt57Iyj0O4vqMV1a24cg7+2WJ6viQ6A/LIBxrUl/AHpCcOh/NX+ b/nPPLV+N6N4UDJAZCQQYViE0hbVheAXzKf3Doi5ghd/RCFDiAT2UK6iq6Fl0aBDLChhwVzQmiM seyLavlRMuz6BcJeEsuSmNg7tWuqEfRp7URDpfJ97WCvOpWtP+U8030JPkf03IDPPP0fArRudVn SNWubVSL6fNlR/KhIkkZSYeaGYoZKZb44xmUCH2OaDo6kSAM5ykxGr7kkm5plGleAnACT6bQ5Ra 6Z1/3A8AbPh7vv6FIa2nMmRbAqsmnQCv3fV+V2+AUOyT3b7tY9igsu7AwEztY9hKKjO5yXtFoj3 CwifUgRiUhn8dCKG28Zb+nLwkGmoSIIkHXzUMebd3Pdme7od8yR2OZ3Q0UKqliwOff2FqRN5zN/ cqk4wJBzxhfBCmrhG3tcoDMb4SJgq7rWqBWVtw5foFlv22A6v5I1AsivIH9Ew= X-Received: by 2002:a05:6a00:23c5:b0:848:2a71:a48a with SMTP id d2e1a72fcca58-84a5576ebb7mr3258433b3a.13.1784050040987; Tue, 14 Jul 2026 10:27:20 -0700 (PDT) Received: from KASONG-MC4 ([101.32.222.185]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84a4f6be65csm1836604b3a.36.2026.07.14.10.27.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 10:27:20 -0700 (PDT) Date: Wed, 15 Jul 2026 01:27:13 +0800 From: Kairui Song To: linux-mm@kvack.org Cc: Christoph Hellwig , baoquan.he@linux.dev, akpm@linux-foundation.org, chrisl@kernel.org, usama.arif@linux.dev, kasong@tencent.com, nphamcs@gmail.com, shikemeng@huaweicloud.com, youngjun.park@lge.com, Baolin Wang Subject: Re: [PATCH 1/7] shmem: provide a shmem_write_folio wrapper Message-ID: References: <20260713093350.2154226-1-hch@lst.de> <20260713093350.2154226-2-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260713093350.2154226-2-hch@lst.de> X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 3B1EC1A0004 X-Stat-Signature: ckxrr4861fwxysa8e311187u9tymuypu X-HE-Tag: 1784050042-557835 X-HE-Meta: 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 fqYqATk3 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Jul 13, 2026 at 11:33:38AM +0800, Christoph Hellwig wrote: > Provide a wrapper for the shmem abuses in drm to prepare for swap I/O > refactoring by keeping swap_iocb handling entirely contained in mm/. > > Signed-off-by: Christoph Hellwig > Reviewed-by: Baoquan He > Reviewed-by: Nhat Pham > Reviewed-by: Baolin Wang > Acked-by: Chris Li > --- > drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 2 +- > drivers/gpu/drm/ttm/ttm_backup.c | 2 +- > include/linux/shmem_fs.h | 5 +---- > mm/shmem.c | 7 ++++++- > mm/swap.h | 4 ++++ > 5 files changed, 13 insertions(+), 7 deletions(-) Reviewed-by: Kairui Song