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a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745394052; bh=qoca2CpMWyZds2Uu5EB4ZL2Mdcm9BXqt/2Ih1pHZvFE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OwvRxTPrEExefIPqjThVC2o8/ZBigYRy/ETdFCHd+8PECHHDX1QHBSUFHNL34t48n nvUM0shoftgIf0ofr3WkoN7KTyNdNohBothlz5eXsibTyLz0TYI52B91umcnPpfLv8 q0rS2FVrFPX9LQDx6NRBfQ9uyAzysLEig0u/iDzU= Date: Wed, 23 Apr 2025 09:39:12 +0200 From: Greg Kroah-Hartman To: Qingfang Deng Cc: David Hildenbrand , Sasha Levin , stable@vger.kernel.org, linux-mm@kvack.org, Zi Yan , Johannes Weiner , Brendan Jackman , Michal Hocko , Suren Baghdasaryan , Vlastimil Babka , Andrew Morton , Liu Xiang Subject: Re: Please apply d2155fe54ddb to 5.10 and 5.4 Message-ID: <2025042306-perfected-retake-80d3@gregkh> References: <2025042251-energize-preorder-31cd@gregkh> <2025042237-express-coconut-592c@gregkh> <7bf68ddd-7204-4a8c-b7df-03ecb6aa2ad2@redhat.com> <2025042256-unnerve-doorway-7cb7@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspamd-Queue-Id: 5E27E18000A X-Stat-Signature: bnt4csjaf35nx1a5hy64qfs1exnckgj6 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1745394053-782659 X-HE-Meta: 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 bSAxFRke HtvKWYkhSU04x1rbDrimX/f6pkTgNmfUNGdk1EHVtS0qI0lrSQSYkzyd4UEK6ZQe/6ObPvP2StmCzXMh0XbSxVz9MjPbsbn2iz264qaNbihHOLjxBEJ8ERpxaTLeguBuP8NVM3mrKFcuoCYgM61/iilSba14qqETdJzS8UKR9ofvsugClzcjOYbsv+X7R/GdLomjG9CLi0v0uNos8YpDUnnpeezMCVjJfc37jYtlDio3sfXydjzryEXqtr3dwK3JWOlJ9gZEenrlWDwohgb9X9YI5YhtIm8ozOfudrgIq+Zt1dy+ptnTh40bUgIcv3gYq4/LjNTcwg9GlrR1rScALisi6LdSSkSKPgLnfXgcJqXgspVOrCGcb8vsPvvIyNodR7gZWmjeMLreOl+kLVzevsMlAnQ== 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, Apr 23, 2025 at 03:37:39PM +0800, Qingfang Deng wrote: > On Tue, Apr 22, 2025 at 8:41 PM Greg Kroah-Hartman > wrote: > > > > > > > > The commit looks harmless. But I don't see how it could fix any warning? > > > > > > > > I mean, we replace two !list_empty() checks by a single one ... and the > > > > warning is about list_cut_position() ? > > > > > > I have no idea, actually. Maybe the double !list_empty() confuses the > > > compiler, making it think `sublist` can be referenced out of the > > > scope? > > > > That is odd, are you sure this isn't a compiler bug? > > I think it is a compiler bug. If so, what should we do to fix the warning? Fix the compiler :)