On Thu, Jan 31, 2008 at 07:38:53PM +0100, Sam Ravnborg wrote:
>Hi WANG.
>
>On Fri, Feb 01, 2008 at 01:25:17AM +0800, WANG Cong wrote:
>>
>> This patch fix this mismatch warning from mm:
>>
>> WARNING: vmlinux.o(.meminit.text+0x37f): Section mismatch in reference from the function free_area_init_core() to the function .init.text:setup_usemap()
>> modpost: Found 1 section mismatch(es).
>>
>> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
>> Signed-off-by: WANG Cong <xiyou.wangcong@xxxxxxxxx>
>>
>> ---
>>
>> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>> index b2838c2..8a9ae3c 100644
>> --- a/mm/page_alloc.c
>> +++ b/mm/page_alloc.c
>> @@ -3321,7 +3321,7 @@ static inline int pageblock_default_order(unsigned int order)
>> * - mark all memory queues empty
>> * - clear the memory bitmaps
>> */
>> -static void __meminit free_area_init_core(struct pglist_data *pgdat,
>> +static void __init free_area_init_core(struct pglist_data *pgdat,
>> unsigned long *zones_size, unsigned long *zholes_size)
>> {
>> enum zone_type j;
>> @@ -3445,7 +3445,7 @@ static void __init_refok alloc_node_mem_map(struct pglist_data *pgdat)
>> #endif /* CONFIG_FLAT_NODE_MEM_MAP */
>> }
>>
>> -void __meminit free_area_init_node(int nid, struct pglist_data *pgdat,
>> +void __init free_area_init_node(int nid, struct pglist_data *pgdat,
>This change make me a bit unnerved. HAve you checked all callers?
>I simple grep shows 46 hits in the tree.
I use cscope to do the check. ;)
free_area_init_node is the only caller of free_area_init_core,
but free_area_init_node has more than one callers that didn't
mark __init/__meminit.
>
>It is always good to explain why the change you do is OK,
>for no other reasons than to show you really thought it through.
OK. Thanks.
-
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