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 DB60AC43458 for ; Fri, 10 Jul 2026 14:25:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E76066B00A7; Fri, 10 Jul 2026 10:25:42 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E53676B00A9; Fri, 10 Jul 2026 10:25:42 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D65076B00AA; Fri, 10 Jul 2026 10:25:42 -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 B539F6B00A7 for ; Fri, 10 Jul 2026 10:25:42 -0400 (EDT) Received: from smtpin18.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 4F25640495 for ; Fri, 10 Jul 2026 14:25:42 +0000 (UTC) X-FDA: 84973090524.18.4A612D9 Received: from out-177.mta1.migadu.com (out-177.mta1.migadu.com [95.215.58.177]) by imf30.hostedemail.com (Postfix) with ESMTP id B480E8000A for ; Fri, 10 Jul 2026 14:25:38 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=HrOLXIlJ; spf=pass (imf30.hostedemail.com: domain of usama.arif@linux.dev designates 95.215.58.177 as permitted sender) smtp.mailfrom=usama.arif@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1783693540; 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1VlKCpo+tnRr2SOFJ9r1et+U9+XWbDNAx+XfTXQ4ZpM=; b=iXxjImjxyj7fH+cxR0U868NxgI9M30YA8dMgHaF9mk9acmJsrAPoXyg0oXQYWTe5Djsphq jNHgyloHZoAQggUwcgjMRAAmzEq9Vln6J3sxVZfCeYhegll25+SszXMqynHyoMeUx0ookk xeaw7FI1gMCv7yFJC7/F2b6uDc5/Lmk= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=HrOLXIlJ; spf=pass (imf30.hostedemail.com: domain of usama.arif@linux.dev designates 95.215.58.177 as permitted sender) smtp.mailfrom=usama.arif@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1783693540; b=inmE0mxVADBJnwtL7XAIg6zQCy9comq97nptSk5xRDMf7FbGfZiMQrEgj05wWxkZ7KHP6d k9E4FEywS8SI7dqDQ6EbZPM858YdEmkESY3UG5aLjw9avzsJy1kNmRqRJ4gOuDf6EBqrG5 HSnl32kr3iFdztQ9ZPpaMJhQNOo84sA= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783693535; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1VlKCpo+tnRr2SOFJ9r1et+U9+XWbDNAx+XfTXQ4ZpM=; b=HrOLXIlJK5byvxMRl92Xt9Qe8BH9aa97sbTEINkk6Tl1g3pRas93d3bcKawXhxT4wPQSH2 pUVy4GlMnPr0RDwlU+9UJT9dIuS7ZGqUPO7aQcEEzvGXQBanYYA0jXc9PaBax+GsITsfCw JKZWwia7gUFzCW5BmNzi7XeiOzZU9LU= From: Usama Arif To: "Matthew Wilcox (Oracle)" Cc: Usama Arif , Andrew Morton , Jane Chu , linux-mm@kvack.org, Muchun Song , Oscar Salvador , David Hildenbrand , Miaohe Lin , Naoya Horiguchi , Jan Kara , linux-fsdevel@vger.kernel.org, Christian Brauner Subject: Re: [PATCH v2 00/10] Use generic_file_read_iter() in hugetlbfs Date: Fri, 10 Jul 2026 07:25:16 -0700 Message-ID: <20260710142517.1022940-1-usama.arif@linux.dev> In-Reply-To: <20260709184740.1286561-1-willy@infradead.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: B480E8000A X-Stat-Signature: k9rtwaf8zqero4683yh8dhr945obrkzf X-HE-Tag: 1783693538-188196 X-HE-Meta: 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 nVcltei8 ArxBMbqMINj9xkdg4HFYWe5GhQVq+Y/UtyQG2crGi4OCm/EzkC3bSqLUqK9IBbADTt64+wXSPoACwtP3RsRvFpn4pMIcGWeJlP7BcRK8gNzR6c5n86dFsoUAKD5HxuuCKLdWuzuiHDX/LYiID4b43bk9jeR3+XeCMz0JjE9GFvA2HUhJsq5snhhv4LdIcjwOpvcTaIlKBKbx5P5yFI0Ia0laYSa4TcX9U16Du+/nxIoW/maWOGag1UWx4u086Ps3bjC/owph+CF5KjGrLnen6K7tFZpFGR6wYB8U2LMGpQDlIu65AkDh297HQcRSLOqrSeb6e3OVr4BA2PajymePj794bniFF55LVPqYRNTtjP0FIbtKhvH8HDkigXwJRx5mw5hO0Ic9/DA4gXKz/Qjf19TlihofYlih62dhBYcTLIbu2tuk= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 9 Jul 2026 19:47:28 +0100 "Matthew Wilcox (Oracle)" wrote: > This set of patches are separated out from Jane's earlier series. > https://lore.kernel.org/linux-mm/20260617172534.1740152-1-jane.chu@oracle.com/ > > There's enough potentially controversial things in here that I think > it's worth considering them by themselves. First, handling hwpoison > in filemap_read(). I want this for shmem as well as for hugetlbfs (a > later patchset, maybe). Second, handling misses in the pagecache as > holes rather than opportunities to populate the pagecache. > > v1 here: https://lore.kernel.org/linux-mm/20260707181713.208282-1-willy@infradead.org/ > Sashiko had a lot of valuable feedback on that, and that's all addressed > here except for the things that I don't think are relevant. > > Jane Chu (2): > filemap: Add hwpoison handling to filemap_read() > hugetlb: replace hugetlbfs_read_iter() with generic_file_read_iter() > > Matthew Wilcox (Oracle) (8): > mm: Rename folio_contain_hwpoison_page() to folio_has_hwpoison_page() > hugetlb: Mark some function arguments as const > filemap: Remove checks in mapping_set_folio_order_range() > hugetlb: Set mapping folio order > memory-failure: Remove raw_hwp_list_head() > memory-failure: Prevent UAF in raw_hwp_page list > mm: Handle hugetlb correctly in is_page_hwpoison() > filemap: Add support for authoritative mappings > > fs/hugetlbfs/inode.c | 122 ++++--------------------------------- I really like the deletions here in hugetlbfs :) > include/linux/hugetlb.h | 24 +++----- > include/linux/mm_types.h | 4 +- > include/linux/page-flags.h | 28 ++++++--- > include/linux/pagemap.h | 32 +++++----- > mm/filemap.c | 46 +++++++++++++- > mm/huge_memory.c | 2 +- > mm/hugetlb.c | 2 +- > mm/memory-failure.c | 39 ++++++------ > mm/memory_hotplug.c | 2 +- > mm/shmem.c | 2 +- > mm/vmscan.c | 2 +- > 12 files changed, 128 insertions(+), 177 deletions(-) > > -- > 2.47.3 > >