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b=TswksJYLzzNg6JK3+f7D3OaB6S K78OrwHa8T81zYzlxzrNc/7pl76PpINOOyBQ+eo0pTZRkFcYuoibOTsX9u8760nSPCziLrdBC4oXY 01/iQ0ohvcw4Nismt8cEcfetwTRTqcA80PLJMrim21zKipB4n/lZthBc9IyH136xfzX0tnq0rMh4P mkOL+bjIfBBlY83Z+b8NaAe65bw1tXwho//MUrAbhJnLuI/vURhcDxf14QgoLwQABE6omhM4ZC1X1 9D9k7cmdCzLdKWW20yGqcUsXxM6LIoOM/LMKvqQMPaVYosHTvo8t60s56HjNjurCi0hMUj1l46VPH aUxu0g1A==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcoip-0000000AhGL-3zfG; Mon, 05 Jan 2026 17:50:28 +0000 Date: Mon, 5 Jan 2026 17:50:27 +0000 From: Matthew Wilcox To: Brian Foster Cc: Baolin Wang , Barry Song <21cnbao@gmail.com>, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hugh Dickins , syzbot+178fff6149127421c2cc@syzkaller.appspotmail.com Subject: Re: [PATCH] mm/shmem: fix uninitialized folio in shmem_symlink Message-ID: References: <20251224094027.65842-1-21cnbao@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 088E04000F X-Stat-Signature: 67u4c7uturuh9qsxeu9s1frd5y7akwc8 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1767635432-684011 X-HE-Meta: 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 EWmbbcuP nzYUu0p8XifKST8diAFyRl1buho0Rh6TdXxPIqV9SezNex8hAsce9CQj4IkHewmu6eC0m2JtbCmk7kR+2WxzlCN7ekkpbWqbcBiGUl+6aQJbfsiH8w327/SpUkArZ8R/c6T1j0Erb0sJoJJsNdTjgI3/VChKCQHyt8wO12AkrfY81zjJElou9ZSh+MMM7b9RaB4j4HO/CIMs2zlcdQL9kBE5GJ5Lh/5Hfu2d6plrN3030J5aR1fmyIdiIGRkQH7HY7TP0eQ/OgsW8LZPXWEhZIzEuOCH8HTe2eKsP8NNRoDxvVEzgax5kphGzh4f/yw4k8sjQ9RWXtnvoKOcJOjHpEBJoTyeRfyfDLl6Ff8jqxQrDYQo1K53Yo9VynZSFhQN8oWu2K4WLWoLg2LQ= 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 Mon, Jan 05, 2026 at 08:58:08AM -0500, Brian Foster wrote: > Also JFYI the post-eof swapout zeroing work (still pending) looks to me > like it would cover the swapout time case [1]. That's just if you wanted > to go that route here; creation time zeroing for the large symlink case > seems reasonable enough to me as well. I think we should merge your patch series instead.