linux-kernel - Re: [PATCH] resource: Update config option of release_mem_region

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Message-ID: <51674C30.5060309@jp.fujitsu.com>
Date:	Fri, 12 Apr 2013 08:50:08 +0900
From:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
To:	Toshi Kani <toshi.kani@...com>
CC:	<akpm@...ux-foundation.org>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>, <rientjes@...gle.com>,
	<linuxram@...ibm.com>, <guz.fnst@...fujitsu.com>, <tmac@...com>,
	<wency@...fujitsu.com>, <tangchen@...fujitsu.com>,
	<jiang.liu@...wei.com>
Subject: Re: [PATCH] resource: Update config option of release_mem_region_adjustable()

2013/04/12 7:26, Toshi Kani wrote:
> Changed the config option of release_mem_region_adjustable() from
> CONFIG_MEMORY_HOTPLUG to CONFIG_MEMORY_HOTREMOVE since this function
> is only used for memory hot-delete.
> 
> Signed-off-by: Toshi Kani <toshi.kani@...com>

Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>

Thanks,
Yasuaki Ishimatsu


> ---
> 
> This patch applies on top of the two patches below:
> Re: [PATCH v3 2/3] resource: Add release_mem_region_adjustable()
> https://lkml.org/lkml/2013/4/11/381
> [patch] mm, hotplug: avoid compiling memory hotremove functions when disabled
> https://lkml.org/lkml/2013/4/10/37
> 
> ---
>   include/linux/ioport.h |    2 +-
>   kernel/resource.c      |    4 ++--
>   2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/linux/ioport.h b/include/linux/ioport.h
> index 961d4dc..89b7c24 100644
> --- a/include/linux/ioport.h
> +++ b/include/linux/ioport.h
> @@ -192,7 +192,7 @@ extern struct resource * __request_region(struct resource *,
>   extern int __check_region(struct resource *, resource_size_t, resource_size_t);
>   extern void __release_region(struct resource *, resource_size_t,
>   				resource_size_t);
> -#ifdef CONFIG_MEMORY_HOTPLUG
> +#ifdef CONFIG_MEMORY_HOTREMOVE
>   extern int release_mem_region_adjustable(struct resource *, resource_size_t,
>   				resource_size_t);
>   #endif
> diff --git a/kernel/resource.c b/kernel/resource.c
> index 16bfd39..4aef886 100644
> --- a/kernel/resource.c
> +++ b/kernel/resource.c
> @@ -1021,7 +1021,7 @@ void __release_region(struct resource *parent, resource_size_t start,
>   }
>   EXPORT_SYMBOL(__release_region);
>   
> -#ifdef CONFIG_MEMORY_HOTPLUG
> +#ifdef CONFIG_MEMORY_HOTREMOVE
>   /**
>    * release_mem_region_adjustable - release a previously reserved memory region
>    * @parent: parent resource descriptor
> @@ -1122,7 +1122,7 @@ int release_mem_region_adjustable(struct resource *parent,
>   	kfree(new_res);
>   	return ret;
>   }
> -#endif	/* CONFIG_MEMORY_HOTPLUG */
> +#endif	/* CONFIG_MEMORY_HOTREMOVE */
>   
>   /*
>    * Managed region resource
> 


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