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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1viRft-0000000Fymj-0Uvn; Wed, 21 Jan 2026 06:26:41 +0000 Date: Wed, 21 Jan 2026 06:26:40 +0000 From: Matthew Wilcox To: zenghongling Cc: akpm@linux-foundation.org, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, hannes@cmpxchg.org, david@kernel.org, mhocko@kernel.org, zhengqi.arch@bytedance.com, shakeel.butt@linux.dev, lorenzo.stoakes@oracle.com, yosry.ahmed@linux.dev, nphamcs@gmail.com, chengming.zhou@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, zhongling0719@126.com Subject: Re: [PATCH] mm: Use %pe format specifier for error pointers Message-ID: References: <20260121034817.607435-1-zenghongling@kylinos.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260121034817.607435-1-zenghongling@kylinos.cn> X-Rspam-User: X-Rspamd-Queue-Id: 10D341A0004 X-Rspamd-Server: rspam12 X-Stat-Signature: t7thaiwgrx4dsf97gy8muqucwq37rn7c X-HE-Tag: 1768976814-595915 X-HE-Meta: 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 4xXENOCI wEN1y/LwXJ1wb530ngCz/gwSwTSlB4BGf/h9rC/jP3YxOepjR7qpGHcAoqtMAo6TN6Q0ZW4xtK4PZiWZLBj/2e6CkrudwfM/MHC4tjonJUUVklRXzxtXDhW2mh0CkSacI4Qc3kn+BeqNvwmJ+7Z3Lg8l5PIDKi94Khmf+W0hU+Vql5YqIMwMioEoLlxVClpZd8Njqda/AMHFiwos6sAazdfrhXRNXEUGIb9m33rSaoNgdgQmv7lAK/dwKau4o+6OBrM23 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 Wed, Jan 21, 2026 at 11:48:17AM +0800, zenghongling wrote: > Convert error logging throughout the MM subsystem to use > the %pe format specifier instead of PTR_ERR() with integer > format specifiers. > > Found by: > ---- > ./zswap.c:753:20-27: WARNING: Consider using %pe to print PTR_ERR() > ./vmscan.c:7504:12-19: WARNING: Consider using %pe to print PTR_ERR() Please stop.