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b=K5LV5K59HTaPTHPaJcC4ecFQSBf/oze43b5ftafjrU72Xj7wpMsQi280aAjHgoZW4 Z5GQuBTFbWstEpa3fqgWc67NWYcF5OoNpHO42A99VouIGVmZ54R5a3pyqByTbP6xGL oXCV4NMgOpspOce8nJxmjNUruKoOZe8tbS5U+YEc= Date: Thu, 28 Mar 2024 11:50:17 -0700 From: Andrew Morton To: Naresh Kamboju Cc: open list , linux-mm , Linux Regressions , lkft-triage@lists.linaro.org, clang-built-linux , Nathan Chancellor , Nick Desaulniers , Baolin Wang , willy@infradead.org, David Hildenbrand Subject: Re: next: x86_64 defconfig with clang-17 failed Message-Id: <20240328115017.5c585e5709b0444c31811714@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: C3F7910000A X-Stat-Signature: hay8i5k51ahjyxwcadqbyorqiew7r39m X-Rspam-User: X-HE-Tag: 1711651819-361937 X-HE-Meta: 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 N6ek3MAZ fyavY 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 Thu, 28 Mar 2024 19:05:51 +0530 Naresh Kamboju wrote: > While building x86_64 defconfig with clang-17 the following build warnings / > errors noticed on Linux next-20240328 tag. > > Reported-by: Linux Kernel Functional Testing > > Build error: > --------- > mm/memory.c:5094:25: error: variable 'pte' is uninitialized when used > here [-Werror,-Wuninitialized] > 5094 | writable = pte_write(pte); > | ^~~ > mm/memory.c:5083:3: note: variable 'pte' is declared here > 5083 | pte_t pte, old_pte; > | ^ Thanks. Presumably ptent was intended, but this may not have had adequate runtime testing. I'll drop the two-patch series "support multi-size THP numa balancing".