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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F05A0C433F5 for ; Tue, 31 May 2022 17:57:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245133AbiEaR50 (ORCPT ); Tue, 31 May 2022 13:57:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39280 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239219AbiEaR50 (ORCPT ); Tue, 31 May 2022 13:57:26 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74B4333E27; Tue, 31 May 2022 10:57:24 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id F3234610A5; Tue, 31 May 2022 17:57:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44599C385A9; Tue, 31 May 2022 17:57:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1654019843; bh=ueWQI/6M9ZmJjFMQ+LvGG7h4tEaNsx2HarM9S0SaMTE=; h=Date:To:From:Subject:From; b=h8HclQLl9G2imkN1iDG4t9d3viTXl7KqRT7Wz6Pd5X+jyYbPBGCV5PwyLN3rz4eAD 9AQVF7HcYppkdIeKrx7zyg1RlUj8/2xBIPqN3JyH/m+/wtPvMWSDqU8wNVvlO+PbCZ 8EcsekazwBYga52a5bpj/H5nR0lyfMMb4fU33hio= Date: Tue, 31 May 2022 10:57:22 -0700 To: mm-commits@vger.kernel.org, stable@vger.kernel.org, songmuchun@bytedance.com, osalvador@suse.de, david@redhat.com, anshuman.khandual@arm.com, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-memremap-fix-missing-call-to-untrack_pfn-in-pagemap_range.patch added to mm-hotfixes-unstable branch Message-Id: <20220531175723.44599C385A9@smtp.kernel.org> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch titled Subject: mm/memremap: fix missing call to untrack_pfn() in pagemap_range() has been added to the -mm mm-hotfixes-unstable branch. Its filename is mm-memremap-fix-missing-call-to-untrack_pfn-in-pagemap_range.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memremap-fix-missing-call-to-untrack_pfn-in-pagemap_range.patch This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Miaohe Lin Subject: mm/memremap: fix missing call to untrack_pfn() in pagemap_range() Date: Tue, 31 May 2022 20:26:43 +0800 We forget to call untrack_pfn() to pair with track_pfn_remap() when range is not allowed to hotplug. Fix it by jump err_kasan. Link: https://lkml.kernel.org/r/20220531122643.25249-1-linmiaohe@huawei.com Fixes: bca3feaa0764 ("mm/memory_hotplug: prevalidate the address range being added with platform") Signed-off-by: Miaohe Lin Reviewed-by: David Hildenbrand Acked-by: Muchun Song Cc: Anshuman Khandual Cc: Oscar Salvador Cc: Signed-off-by: Andrew Morton --- mm/memremap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/memremap.c~mm-memremap-fix-missing-call-to-untrack_pfn-in-pagemap_range +++ a/mm/memremap.c @@ -214,7 +214,7 @@ static int pagemap_range(struct dev_page if (!mhp_range_allowed(range->start, range_len(range), !is_private)) { error = -EINVAL; - goto err_pfn_remap; + goto err_kasan; } mem_hotplug_begin(); _ Patches currently in -mm which might be from linmiaohe@huawei.com are maintainers-add-maintainer-information-for-z3fold.patch mm-memremap-fix-missing-call-to-untrack_pfn-in-pagemap_range.patch mm-shmemc-clean-up-comment-of-shmem_swapin_folio.patch mm-reduce-the-rcu-lock-duration.patch mm-migration-remove-unneeded-lock-page-and-pagemovable-check.patch mm-migration-return-errno-when-isolate_huge_page-failed.patch mm-migration-fix-potential-pte_unmap-on-an-not-mapped-pte.patch