Re: [PATCH] mm: fix build warning about kernel_physical_mapping_remove()

From: Yijing Wang
Date: Wed Apr 17 2013 - 03:39:06 EST


On 2013/4/17 15:22, Wanpeng Li wrote:
> On Wed, Apr 17, 2013 at 03:15:58PM +0800, Yijing Wang wrote:
>> If CONFIG_MEMORY_HOTREMOVE is not set, a build warning about
>> "warning: âkernel_physical_mapping_removeâ defined but not used"
>> report.
>>
>
> This has already been fixed by Tang Chen.
> http://marc.info/?l=linux-mm&m=136614697618243&w=2

OK, I will drop this one, thanks!

>
>> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
>> Cc: Tang Chen <tangchen@xxxxxxxxxxxxxx>
>> Cc: Wen Congyang <wency@xxxxxxxxxxxxxx>
>> ---
>> arch/x86/mm/init_64.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
>> index 474e28f..dafdeb2 100644
>> --- a/arch/x86/mm/init_64.c
>> +++ b/arch/x86/mm/init_64.c
>> @@ -1019,6 +1019,7 @@ void __ref vmemmap_free(struct page *memmap, unsigned long nr_pages)
>> remove_pagetable(start, end, false);
>> }
>>
>> +#ifdef CONFIG_MEMORY_HOTREMOVE
>> static void __meminit
>> kernel_physical_mapping_remove(unsigned long start, unsigned long end)
>> {
>> @@ -1028,7 +1029,6 @@ kernel_physical_mapping_remove(unsigned long start, unsigned long end)
>> remove_pagetable(start, end, true);
>> }
>>
>> -#ifdef CONFIG_MEMORY_HOTREMOVE
>> int __ref arch_remove_memory(u64 start, u64 size)
>> {
>> unsigned long start_pfn = start >> PAGE_SHIFT;
>> --
>> 1.7.1
>>
>>
>> --
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>
>
> .
>


--
Thanks!
Yijing

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