[PATCH v2] riscv: mm: fix 2 instances of -Wmissing-variable-declarations

[patchwork-bot+linux-riscv at kernel.org]

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer at rivosinc.com>:

On Tue, 08 Aug 2023 09:35:00 -0700 you wrote:
> I'm looking to enable -Wmissing-variable-declarations behind W=1. 0day
> bot spotted the following instance in ARCH=riscv builds:
> 
>   arch/riscv/mm/init.c:276:7: warning: no previous extern declaration
>   for non-static variable 'trampoline_pg_dir'
>   [-Wmissing-variable-declarations]
>   276 | pgd_t trampoline_pg_dir[PTRS_PER_PGD] __page_aligned_bss;
>       |       ^
>   arch/riscv/mm/init.c:276:1: note: declare 'static' if the variable is
>   not intended to be used outside of this translation unit
>   276 | pgd_t trampoline_pg_dir[PTRS_PER_PGD] __page_aligned_bss;
>       | ^
>   arch/riscv/mm/init.c:279:7: warning: no previous extern declaration
>   for non-static variable 'early_pg_dir'
>   [-Wmissing-variable-declarations]
>   279 | pgd_t early_pg_dir[PTRS_PER_PGD] __initdata __aligned(PAGE_SIZE);
>       |       ^
>   arch/riscv/mm/init.c:279:1: note: declare 'static' if the variable is
>   not intended to be used outside of this translation unit
>   279 | pgd_t early_pg_dir[PTRS_PER_PGD] __initdata __aligned(PAGE_SIZE);
>       | ^
> 
> [...]

Here is the summary with links:
  - [v2] riscv: mm: fix 2 instances of -Wmissing-variable-declarations
    https://git.kernel.org/riscv/c/d2402048bc8a

You are awesome, thank you!
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