2017-06-26 18:41:08

by Borislav Petkov

[permalink] [raw]
Subject: Re: [PATCH V2 2/3] x86/numa_emulation: assign physnode_mask directly from numa_nodes_parsed

On Tue, May 02, 2017 at 09:04:52PM +0800, Wei Yang wrote:
> numa_init() has already called init_func(), which is responsible for
> setting numa_nodes_parsed, so use this nodemask instead of re-finding it
> when calling numa_emulation().
>
> This patch gets the physnode_mask directly from numa_nodes_parsed. At
> the same time, it corrects the comment of these two functions.
>
> Signed-off-by: Wei Yang <[email protected]>
> Acked-by: David Rientjes <[email protected]>
>
> ---
> v2: refresh the change log based on David Rientjes comment
> ---
> arch/x86/mm/numa_emulation.c | 18 ++++++++----------
> 1 file changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c
> index eb017c816de6..a6d01931b9a1 100644
> --- a/arch/x86/mm/numa_emulation.c
> +++ b/arch/x86/mm/numa_emulation.c
> @@ -75,13 +75,15 @@ static int __init emu_setup_memblk(struct numa_meminfo *ei,
>
> /*
> * Sets up nr_nodes fake nodes interleaved over physical nodes ranging from addr
> - * to max_addr. The return value is the number of nodes allocated.
> + * to max_addr.
> + *
> + * Returns zero on success or negative error code.

... on error.

Other than that:

Reviewed-by: Borislav Petkov <[email protected]>

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.


2017-06-26 23:12:31

by Wei Yang

[permalink] [raw]
Subject: Re: [PATCH V2 2/3] x86/numa_emulation: assign physnode_mask directly from numa_nodes_parsed

On Mon, Jun 26, 2017 at 08:40:26PM +0200, Borislav Petkov wrote:
>On Tue, May 02, 2017 at 09:04:52PM +0800, Wei Yang wrote:
>> numa_init() has already called init_func(), which is responsible for
>> setting numa_nodes_parsed, so use this nodemask instead of re-finding it
>> when calling numa_emulation().
>>
>> This patch gets the physnode_mask directly from numa_nodes_parsed. At
>> the same time, it corrects the comment of these two functions.
>>
>> Signed-off-by: Wei Yang <[email protected]>
>> Acked-by: David Rientjes <[email protected]>
>>
>> ---
>> v2: refresh the change log based on David Rientjes comment
>> ---
>> arch/x86/mm/numa_emulation.c | 18 ++++++++----------
>> 1 file changed, 8 insertions(+), 10 deletions(-)
>>
>> diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c
>> index eb017c816de6..a6d01931b9a1 100644
>> --- a/arch/x86/mm/numa_emulation.c
>> +++ b/arch/x86/mm/numa_emulation.c
>> @@ -75,13 +75,15 @@ static int __init emu_setup_memblk(struct numa_meminfo *ei,
>>
>> /*
>> * Sets up nr_nodes fake nodes interleaved over physical nodes ranging from addr
>> - * to max_addr. The return value is the number of nodes allocated.
>> + * to max_addr.
>> + *
>> + * Returns zero on success or negative error code.
>
> ... on error.
>
>Other than that:
>
>Reviewed-by: Borislav Petkov <[email protected]>
>

Thanks

>--
>Regards/Gruss,
> Boris.
>
>Good mailing practices for 400: avoid top-posting and trim the reply.

--
Wei Yang
Help you, Help me


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