Re: next: x86_64 defconfig with clang-17 failed

[Andrew Morton]

On Thu, 28 Mar 2024 19:05:51 +0530 Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> 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 <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;
>       |                 ^

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".