next: x86_64 defconfig with clang-17 failed

[Naresh Kamboju]

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 <lkft@xxxxxxxxxx>

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;
      |                 ^
1 error generated.

steps to reproduce:
----------
# tuxmake --runtime podman --target-arch x86_64 --toolchain clang-17
--kconfig x86_64_defconfig LLVM=1 LLVM_IAS=1


Links:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240328/testrun/23230289/suite/build/test/clang-17-x86_64_defconfig/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240328/testrun/23230289/suite/build/test/clang-17-x86_64_defconfig/details/
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2eIseG3mebbz7v0HESNW2YOTmiu/

--
Linaro LKFT
https://lkft.linaro.org