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From: Shakeel Butt To: syzbot ci Cc: boris@bur.io, kernel-team@fb.com, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, willy@infradead.org, wqu@suse.com, syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot ci] Re: introduce uncharged file mapped folios Message-ID: References: <68a19424.050a0220.e29e5.0065.GAE@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <68a19424.050a0220.e29e5.0065.GAE@google.com> X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 4E00AC0011 X-Rspam-User: X-Stat-Signature: xk45r64uctw33hrbhamuwmoadqasbaoj X-Rspamd-Server: rspam09 X-HE-Tag: 1755535020-331713 X-HE-Meta: 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 7UE/rx4R UVb2yRqFh2y49IFUcMLYBBXbtx4yC7c4hJhGOPxjY31c2zFLl+RnOZ0MMHQi9ocbndFYU0QlqZdd+52U1vvYBQX6A2bjTMFTZlwVje24x/c5CdI4Q4RvjPHgiQ3PYtsrMopWTkgbiK591URDg/8dUEf8YFFUtJGbSwfBpIxuvxaowkrGPr9qI4yaa7/fDzruB9PkuuoHxXT2qKeP5UVY0XD+xpjNb6tVue84sCjnBengCeU+ME1KlZ3DhTa9lF/AFXn49GYngXVZKNj4I8v7c7piGxacP8MVeds5p4Fd1gOOYg/aHCNeFfXL5P+sAQE5a1NXc 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: List-Subscribe: List-Unsubscribe: On Sun, Aug 17, 2025 at 01:34:44AM -0700, syzbot ci wrote: > syzbot ci has tested the following series > > [v2] introduce uncharged file mapped folios > https://lore.kernel.org/all/cover.1755300815.git.boris@bur.io > * [PATCH v2 1/3] mm/filemap: add AS_UNCHARGED > * [PATCH v2 2/3] mm: add vmstat for cgroup uncharged pages > * [PATCH v2 3/3] btrfs: set AS_UNCHARGED on the btree_inode > > and found the following issue: > WARNING in folio_lruvec_lock_irqsave Ok that is expected and we need to fix the warning instead. We can either remove this warning or make is only applicable to non-file folios.