linux-kernel - Re: [PATCH V2 1/3] mm: Export split

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Message-ID: <20130319141317.GI7869@dhcp22.suse.cz>
Date:	Tue, 19 Mar 2013 15:13:17 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
	andi@...stfloor.org, akpm@...ux-foundation.org, linux-mm@...ck.org,
	kamezawa.hiroyuki@...il.com, hannes@...xchg.org, yinghan@...gle.com
Subject: Re: [PATCH V2 1/3]  mm: Export split_page()

On Mon 18-03-13 13:51:36, K. Y. Srinivasan wrote:
> This symbol would be used in the Hyper-V balloon driver to support 2M
> allocations.
> 
> In this version of the patch, based on feedback from Michal Hocko
> <mhocko@...e.cz>, I have updated the patch description.

I guess this part is not necessary ;)

> 
> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>

Anyway
Acked-by: Michal Hocko <mhocko@...e.cz>

> ---
>  mm/page_alloc.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 6cacfee..7e0ead6 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -1404,6 +1404,7 @@ void split_page(struct page *page, unsigned int order)
>  	for (i = 1; i < (1 << order); i++)
>  		set_page_refcounted(page + i);
>  }
> +EXPORT_SYMBOL_GPL(split_page);
>  
>  static int __isolate_free_page(struct page *page, unsigned int order)
>  {
> -- 
> 1.7.4.1
> 
> --
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-- 
Michal Hocko
SUSE Labs
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