Re: [patch 2/6] hugetlb: Fix section mismatches

[David Rientjes <rientjes@google.com>]

On Tue, 12 Jan 2010, Jeff Mahoney wrote:

>  hugetlb_register_node calls hugetlb_sysfs_add_hstate, which is marked with
>  __init. Since hugetlb_register_node is only called by
>  hugetlb_register_all_nodes, which in turn is only called by hugetlb_init,
>  it's safe to mark both of them as __init.
> 
> Signed-off-by: Jeff Mahoney <jeffm@suse.com>
> ---
>  mm/hugetlb.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -1630,7 +1630,7 @@ void hugetlb_unregister_node(struct node
>   * hugetlb module exit:  unregister hstate attributes from node sysdevs
>   * that have them.
>   */
> -static void hugetlb_unregister_all_nodes(void)
> +static void __init hugetlb_unregister_all_nodes(void)
>  {
>  	int nid;
>  

This is wrong, you want to move hugetlb_register_all_nodes() to 
.init.text, not hugetlb_unregister_all_nodes().

> @@ -1650,7 +1650,7 @@ static void hugetlb_unregister_all_nodes
>   * Register hstate attributes for a single node sysdev.
>   * No-op if attributes already registered.
>   */
> -void hugetlb_register_node(struct node *node)
> +void __init hugetlb_register_node(struct node *node)
>  {
>  	struct hstate *h;
>  	struct node_hstate *nhs = &node_hstates[node->sysdev.id];

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