[PATCH -fixes] riscv: Fix build error if !CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION

[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 Sun, 11 Feb 2024 09:36:40 +0100 you wrote:
> The new riscv specific arch_hugetlb_migration_supported() must be
> guarded with a #ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION to avoid
> the following build error:
> 
> In file included from include/linux/hugetlb.h:851,
>                     from kernel/fork.c:52:
> >> arch/riscv/include/asm/hugetlb.h:15:42: error: static declaration of 'arch_hugetlb_migration_supported' follows non-static declaration
>       15 | #define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
>          |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    include/linux/hugetlb.h:916:20: note: in expansion of macro 'arch_hugetlb_migration_supported'
>      916 | static inline bool arch_hugetlb_migration_supported(struct hstate *h)
>          |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    arch/riscv/include/asm/hugetlb.h:14:6: note: previous declaration of 'arch_hugetlb_migration_supported' with type 'bool(struct hstate *)' {aka '_Bool(struct hstate *)'}
>       14 | bool arch_hugetlb_migration_supported(struct hstate *h);
>          |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> [...]

Here is the summary with links:
  - [-fixes] riscv: Fix build error if !CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
    https://git.kernel.org/riscv/c/fc325b1a915f

You are awesome, thank you!
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