From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f198.google.com (mail-pg1-f198.google.com [209.85.215.198]) by kanga.kvack.org (Postfix) with ESMTP id 962976B6F03 for ; Tue, 4 Dec 2018 08:54:57 -0500 (EST) Received: by mail-pg1-f198.google.com with SMTP id p4so8971819pgj.21 for ; Tue, 04 Dec 2018 05:54:57 -0800 (PST) Received: from mail.kernel.org (mail.kernel.org. [198.145.29.99]) by mx.google.com with ESMTPS id u6si18832691pfb.92.2018.12.04.05.54.56 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Dec 2018 05:54:56 -0800 (PST) Date: Tue, 04 Dec 2018 13:54:55 +0000 From: Sasha Levin Subject: Re: [PATCH 2/3] hugetlbfs: Use i_mmap_rwsem to fix page fault/truncate race In-Reply-To: <20181203200850.6460-3-mike.kravetz@oracle.com> References: <20181203200850.6460-3-mike.kravetz@oracle.com> Message-Id: <20181204135456.056B22082D@mail.kernel.org> Sender: owner-linux-mm@kvack.org List-ID: To: Sasha Levin , Mike Kravetz , linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Michal Hocko , Hugh Dickins , stable@vger.kernel.orgstable@vger.kernel.org Hi, [This is an automated email] This commit has been processed because it contains a "Fixes:" tag, fixing commit: ebed4bfc8da8 [PATCH] hugetlb: fix absurd HugePages_Rsvd. The bot has tested the following trees: v4.19.6, v4.14.85, v4.9.142, v4.4.166, v3.18.128. v4.19.6: Build OK! v4.14.85: Build OK! v4.9.142: Build OK! v4.4.166: Failed to apply! Possible dependencies: Unable to calculate v3.18.128: Failed to apply! Possible dependencies: 1bfad99ab425 ("hugetlbfs: hugetlb_vmtruncate_list() needs to take a range to delete") 1c5ecae3a93f ("hugetlbfs: add minimum size accounting to subpools") 1dd308a7b49d ("mm/hugetlb: document the reserve map/region tracking routines") 5e9113731a3c ("mm/hugetlb: add cache of descriptors to resv_map for region_add") 83cde9e8ba95 ("mm: use new helper functions around the i_mmap_mutex") b5cec28d36f5 ("hugetlbfs: truncate_hugepages() takes a range of pages") c672c7f29f2f ("mm/hugetlb: expose hugetlb fault mutex for use by fallocate") cf3ad20bfead ("mm/hugetlb: compute/return the number of regions added by region_add()") feba16e25a57 ("mm/hugetlb: add region_del() to delete a specific range of entries") How should we proceed with this patch? -- Thanks, Sasha