On Mon 22-08-16 10:56:43, Xie Yisheng wrote:
> Arm64 supports gigantic page after
> commit 084bd29810a5 ("ARM64: mm: HugeTLB support.")
> however, it got broken by
> commit 944d9fec8d7a ("hugetlb: add support for gigantic page
> allocation at runtime")
>
> This patch selects ARCH_HAS_GIGANTIC_PAGE to make this
> function can be used again.
I haven't double checked that the above commit really broke it but if
that is the case then
Fixes: 944d9fec8d7a ("hugetlb: add support for gigantic page allocation at runtime")
would be nice as well I guess. I do not think that marking it for stable
is really necessary considering how long it's been broken and nobody has
noticed...
> Signed-off-by: Xie Yisheng <xieyisheng1@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> ---
> arch/arm64/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index bc3f00f..92217f6 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -9,6 +9,7 @@ config ARM64
> select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
> select ARCH_HAS_ELF_RANDOMIZE
> select ARCH_HAS_GCOV_PROFILE_ALL
> + select ARCH_HAS_GIGANTIC_PAGE
> select ARCH_HAS_KCOV
> select ARCH_HAS_SG_CHAIN
> select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
> --
> 1.7.12.4
>
--
Michal Hocko
SUSE Labs
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