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[209.85.167.45]) by smtp.gmail.com with ESMTPSA id u13sm1653402lfu.37.2019.07.05.19.39.55 for (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Fri, 05 Jul 2019 19:39:56 -0700 (PDT) Received: by mail-lf1-f45.google.com with SMTP id q26so7408614lfc.3 for ; Fri, 05 Jul 2019 19:39:55 -0700 (PDT) X-Received: by 2002:ac2:4565:: with SMTP id k5mr3364080lfm.170.1562380795305; Fri, 05 Jul 2019 19:39:55 -0700 (PDT) MIME-Version: 1.0 References: <20190529180931.GI18589@dhcp22.suse.cz> <20190705230312.GB6485@quack2.suse.cz> In-Reply-To: <20190705230312.GB6485@quack2.suse.cz> From: Linus Torvalds Date: Fri, 5 Jul 2019 19:39:39 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: kernel BUG at mm/swap_state.c:170! To: Jan Kara Cc: Mikhail Gavrilov , Vlastimil Babka , Michal Hocko , Linux List Kernel Mailing , Linux-MM , Matthew Wilcox , Qian Cai , "Kirill A . Shutemov" , songliubraving@fb.com, william.kucharski@oracle.com, Andrew Morton , Greg Kroah-Hartman Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jul 5, 2019 at 4:03 PM Jan Kara wrote: > > Yeah, I guess revert of 5fd4ca2d84b2 at this point is probably the best we > can do. Let's CC Linus, Andrew, and Greg (Linus is travelling AFAIK so I'm > not sure whether Greg won't do release for him). I'm back home now, although possibly jetlagged. The revert looks trivial (a conflict due to find_get_entries_tag() having been removed in the meantime), and I guess that's the right thing to do right now. Matthew, comments? Linus