Re: linux-next: manual merge of the akpm-current tree with the risc-v tree

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Hi all,

On Fri, 12 Mar 2021 17:37:02 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Tomorrow's linux-next merge of the akpm-current tree will get a
> conflict in:
> 
>   Documentation/admin-guide/kernel-parameters.txt
> 
> between commit:
> 
>   f6e5aedf470b ("riscv: Add support for memtest")
> 
> from the risc-v tree and commit:
> 
>   6b8f5ba8661b ("mm,memory_hotplug: add kernel boot option to enable memmap_on_memory")
> 
> from the akpm-current tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> -- 
> Cheers,
> Stephen Rothwell
> 
> diff --cc Documentation/admin-guide/kernel-parameters.txt
> index b816481dfaef,04b4e76be65b..000000000000
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@@ -2800,23 -2802,7 +2808,23 @@@
>   			seconds.  Use this parameter to check at some
>   			other rate.  0 disables periodic checking.
>   
>  +	memory_hotplug.memmap_on_memory
>  +			[KNL,X86,ARM] Boolean flag to enable this feature.
>  +			Format: {on | off (default)}
>  +			When enabled, memory to build the pages tables for the
>  +			memmap array describing the hot-added range will be taken
>  +			from the range itself, so the memmap page tables will be
>  +			self-hosted.
>  +			Since only single memory device ranges are supported at
>  +			the moment, this option is disabled by default because
>  +			it might have an impact on workloads that needs large
>  +			contiguous memory chunks.
>  +			The state of the flag can be read in
>  +			/sys/module/memory_hotplug/parameters/memmap_on_memory.
>  +			Note that even when enabled, there are a few cases where
>  +			the feature is not effective.
>  +
> - 	memtest=	[KNL,X86,ARM,PPC] Enable memtest
> + 	memtest=	[KNL,X86,ARM,PPC,RISCV] Enable memtest
>   			Format: <integer>
>   			default : 0 <disable>
>   			Specifies the number of memtest passes to be

This is now a conflict between the risc-v tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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