linux-kernel - Re: [PATCH] hugetlb: fix sparse warning for hugetlb_register

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Date:	Thu, 7 Mar 2013 15:11:46 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Daniel Baluta <daniel.baluta@...il.com>
Cc:	Claudiu Ghioc <claudiughioc@...il.com>, akpm@...ux-foundation.org,
	mhocko@...e.cz, aneesh.kumar@...ux.vnet.ibm.com, dhillf@...il.com,
	kamezawa.hiroyu@...fujitsu.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Claudiu Ghioc <claudiu.ghioc@...il.com>
Subject: Re: [PATCH] hugetlb: fix sparse warning for hugetlb_register_node

On Thu, 7 Mar 2013, Daniel Baluta wrote:

> > Removed the following sparse warnings:
> > *  mm/hugetlb.c:1764:6: warning: symbol
> >     'hugetlb_unregister_node' was not declared.
> >     Should it be static?
> > *   mm/hugetlb.c:1808:6: warning: symbol
> >     'hugetlb_register_node' was not declared.
> >     Should it be static?
> >
> > Signed-off-by: Claudiu Ghioc <claudiu.ghioc@...il.com>
> > ---
> >  mm/hugetlb.c |    4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> > index 0a0be33..c65a8a5 100644
> > --- a/mm/hugetlb.c
> > +++ b/mm/hugetlb.c
> > @@ -1761,7 +1761,7 @@ static struct hstate *kobj_to_node_hstate(struct kobject *kobj, int *nidp)
> >   * Unregister hstate attributes from a single node device.
> >   * No-op if no hstate attributes attached.
> >   */
> > -void hugetlb_unregister_node(struct node *node)
> > +static void hugetlb_unregister_node(struct node *node)
> >  {
> >         struct hstate *h;
> >         struct node_hstate *nhs = &node_hstates[node->dev.id];
> > @@ -1805,7 +1805,7 @@ static void hugetlb_unregister_all_nodes(void)
> >   * Register hstate attributes for a single node device.
> >   * No-op if attributes already registered.
> >   */
> > -void hugetlb_register_node(struct node *node)
> > +static void hugetlb_register_node(struct node *node)
> >  {
> >         struct hstate *h;
> >         struct node_hstate *nhs = &node_hstates[node->dev.id];
> 
> Can you pick this up via trivial tree?

Seems like sparse is correct here, as register_hugetlbfs_with_node is 
passing pointers to those functions.

Will take it.

-- 
Jiri Kosina
SUSE Labs
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