On Wed, 6 Jan 2010 16:24:58 -0700
H Hartley Sweeten <hartl...@visionengravers.com> wrote:

> nodmask.h: remove macro any_online_node
> 
> The macro any_online_node is prone to producing sparse warnings
> due to the local symbol 'node'. Since all the in-tree users are really
> requesting the first online node (the mask argument is either
> NODE_MASK_ALL or node_online_map) just use the first_online_node
> macro and remove the any_online_node macro since there are no users.
> 

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujitsu.com>
Thank you.
BTW, it's better to add diffstat to this kind of changes.

Regards,
-Kame

> Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
> Cc: Andrew Morton <a...@linux-foundation.org>
> Cc: David Rientjes <rient...@google.com>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujitsu.com>
> Cc: Mel Gorman <m...@csn.ul.ie>
> Cc: Lee Schermerhorn <lee.schermerh...@hp.com>
> Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
> Cc: Paul Mackerras <pau...@samba.org>
> Cc: Dave Hansen <d...@linux.vnet.ibm.com>
> Cc: Milton Miller <milt...@bga.com>
> Cc: Nathan Fontenot <nf...@austin.ibm.com>
> Cc: Geoff Levand <geoffrey.lev...@am.sony.com>
> Cc: Grant Likely <grant.lik...@secretlab.ca>
> Cc: J. Bruce Fields <bfie...@fieldses.org>
> Cc: Neil Brown <ne...@suse.de>
> Cc: Trond Myklebust <trond.mykleb...@netapp.com>
> Cc: David S. Miller <da...@davemloft.net>
> Cc: Benny Halevy <bhal...@panasas.com>
> Cc: Chuck Lever <chuck.le...@oracle.com>
> Cc: Ricardo Labiaga <ricardo.labi...@netapp.com>
> 
> ---
> 
> diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
> index b037d95..64c0022 100644
> --- a/arch/powerpc/mm/numa.c
> +++ b/arch/powerpc/mm/numa.c
> @@ -451,7 +451,7 @@ static int __cpuinit numa_setup_cpu(unsigned long lcpu)
>       nid = of_node_to_nid_single(cpu);
>  
>       if (nid < 0 || !node_online(nid))
> -             nid = any_online_node(NODE_MASK_ALL);
> +             nid = first_online_node;
>  out:
>       map_cpu_to_node(lcpu, nid);
>  
> @@ -1114,7 +1114,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
>       int nid, found = 0;
>  
>       if (!numa_enabled || (min_common_depth < 0))
> -             return any_online_node(NODE_MASK_ALL);
> +             return first_online_node;
>  
>       memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
>       if (memory) {
> @@ -1125,7 +1125,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
>       }
>  
>       if (nid < 0 || !node_online(nid))
> -             nid = any_online_node(NODE_MASK_ALL);
> +             nid = first_online_node;
>  
>       if (NODE_DATA(nid)->node_spanned_pages)
>               return nid;
> diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
> index 454997c..c4fa64b 100644
> --- a/include/linux/nodemask.h
> +++ b/include/linux/nodemask.h
> @@ -69,8 +69,6 @@
>   * int node_online(node)             Is some node online?
>   * int node_possible(node)           Is some node possible?
>   *
> - * int any_online_node(mask)         First online node in mask
> - *
>   * node_set_online(node)             set bit 'node' in node_online_map
>   * node_set_offline(node)            clear bit 'node' in node_online_map
>   *
> @@ -467,15 +465,6 @@ static inline int num_node_state(enum node_states state)
>  #define node_online_map      node_states[N_ONLINE]
>  #define node_possible_map    node_states[N_POSSIBLE]
>  
> -#define any_online_node(mask)                        \
> -({                                           \
> -     int node;                               \
> -     for_each_node_mask(node, (mask))        \
> -             if (node_online(node))          \
> -                     break;                  \
> -     node;                                   \
> -})
> -
>  #define num_online_nodes()   num_node_state(N_ONLINE)
>  #define num_possible_nodes() num_node_state(N_POSSIBLE)
>  #define node_online(node)    node_state((node), N_ONLINE)
> diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
> index 538ca43..832c1fe 100644
> --- a/net/sunrpc/svc.c
> +++ b/net/sunrpc/svc.c
> @@ -133,7 +133,7 @@ svc_pool_map_choose_mode(void)
>               return SVC_POOL_PERNODE;
>       }
>  
> -     node = any_online_node(node_online_map);
> +     node = first_online_node;
>       if (nr_cpus_node(node) > 2) {
>               /*
>                * Non-trivial SMP, or CONFIG_NUMA on
> --
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