linux-kernel - Re: [Patch](Resend) mm/sparse.c: Improve the error handling for sparse_add_one

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Date:	Tue, 27 Nov 2007 20:55:30 +0900
From:	Yasunori Goto <y-goto@...fujitsu.com>
To:	WANG Cong <xiyou.wangcong@...il.com>
Cc:	Dave Hansen <haveblue@...ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Rik van Riel <riel@...hat.com>,
	Christoph Lameter <clameter@....com>,
	Andrew Morton <akpm@...l.org>, linux-mm@...ck.org
Subject: Re: [Patch](Resend) mm/sparse.c: Improve the error handling for sparse_add_one_section()

>  	ret = sparse_init_one_section(ms, section_nr, memmap, usemap);
> @@ -414,7 +418,7 @@ int sparse_add_one_section(struct zone *
>  out:
>  	pgdat_resize_unlock(pgdat, &flags);
>  	if (ret <= 0)
> -		__kfree_section_memmap(memmap, nr_pages);
> +		kfree(usemap);
>  	return ret;
>  }
>  #endif
> 

I guess you think __kfree_section_memmap() is not necessary due to
no implementation. But, it is still available when
CONFIG_SPARSEMEM_VMEMMAP is off. So, it should not be removed.


Bye.

-- 
Yasunori Goto 


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