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SubjectRe: [PATCH v1] mm: relax deferred struct page requirements
On Thu, Nov 16, 2017 at 08:46:01PM -0500, Pavel Tatashin wrote:
> There is no need to have ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT,
> as all the page initialization code is in common code.
>
> Also, there is no need to depend on MEMORY_HOTPLUG, as initialization code
> does not really use hotplug memory functionality. So, we can remove this
> requirement as well.
>
> This patch allows to use deferred struct page initialization on all
> platforms with memblock allocator.
>
> Tested on x86, arm64, and sparc. Also, verified that code compiles on
> PPC with CONFIG_MEMORY_HOTPLUG disabled.
>
> Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
> ---
> arch/powerpc/Kconfig | 1 -
> arch/s390/Kconfig | 1 -
> arch/x86/Kconfig | 1 -
> mm/Kconfig | 7 +------
> 4 files changed, 1 insertion(+), 9 deletions(-)

For s390 the s390 bit:

Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>

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