linux-kernel - Re: [PATCH] [10/18] Factor out new huge page preparation code into separate function

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Message-Id: <1205785913.10849.84.camel@localhost.localdomain>
Date:	Mon, 17 Mar 2008 15:31:53 -0500
From:	Adam Litke <agl@...ibm.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, pj@....com, linux-mm@...ck.org,
	nickpiggin@...oo.com.au, agl <agl@...ux.vnet.ibm.com>
Subject: Re: [PATCH] [10/18] Factor out new huge page preparation code into
	separate function


On Mon, 2008-03-17 at 02:58 +0100, Andi Kleen wrote:
> Index: linux/mm/hugetlb.c
> ===================================================================
> --- linux.orig/mm/hugetlb.c
> +++ linux/mm/hugetlb.c
> @@ -200,6 +200,17 @@ static int adjust_pool_surplus(struct hs
>  	return ret;
>  }
> 
> +static void huge_new_page(struct hstate *h, struct page *page)
> +{
> +	unsigned nid = pfn_to_nid(page_to_pfn(page));
> +	set_compound_page_dtor(page, free_huge_page);
> +	spin_lock(&hugetlb_lock);
> +	h->nr_huge_pages++;
> +	h->nr_huge_pages_node[nid]++;
> +	spin_unlock(&hugetlb_lock);
> +	put_page(page); /* free it into the hugepage allocator */
> +}
> +
>  static struct page *alloc_fresh_huge_page_node(struct hstate *h, int nid)
>  {
>  	struct page *page;

We do not usually preface functions in mm/hugetlb.c with "huge" and the
name you have chosen doesn't seem that clear to me anyway.  Could we
rename it to prep_new_huge_page() or something similar?

-- 
Adam Litke - (agl at us.ibm.com)
IBM Linux Technology Center

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