Re: [-mm patch] kernel/kexec.c: make code static

Ken'ichi Ohmichi
2007-09-10T02:56:17Z

Hi Adrian,

2007/09/09 22:25:16 +0200, Adrian Bunk <bunk@kernel.org> wrote:
>On Fri, Aug 31, 2007 at 09:58:22PM -0700, Andrew Morton wrote:
>>...
>> Changes since 2.6.23-rc3-mm1:
>>...
>> +add-vmcoreinfo.patch
>>...
>> misc
>>...
>
>This patch makes the following needlessly global code static:
>- vmcoreinfo_data[]
>- vmcoreinfo_size
>- vmcoreinfo_append_str()

The kernel compiling fails with your patch because architecture-specific
function should access the above data/function:

# make
[snip]
arch/ia64/kernel/machine_kexec.c: In function 'arch_crash_save_vmcoreinfo':
arch/ia64/kernel/machine_kexec.c:134: error: implicit declaration of function 'SYMBOL'
arch/ia64/kernel/machine_kexec.c:135: error: implicit declaration of function 'LENGTH'
arch/ia64/kernel/machine_kexec.c:139: error: implicit declaration of function 'SIZE'
arch/ia64/kernel/machine_kexec.c:139: error: 'node_memblk_s' undeclared (first use in this function)
arch/ia64/kernel/machine_kexec.c:139: error: (Each undeclared identifier is reported only once
arch/ia64/kernel/machine_kexec.c:139: error: for each function it appears in.)
arch/ia64/kernel/machine_kexec.c:140: error: implicit declaration of function 'OFFSET'
arch/ia64/kernel/machine_kexec.c:140: error: 'start_paddr' undeclared (first use in this function)
arch/ia64/kernel/machine_kexec.c:141: error: 'size' undeclared (first use in this function)
arch/ia64/kernel/machine_kexec.c:144: error: implicit declaration of function 'CONFIG'
arch/ia64/kernel/machine_kexec.c:144: error: 'PGTABLE_3' undeclared (first use in this function)
make[1]: *** [arch/ia64/kernel/machine_kexec.o] Error 1
make: *** [arch/ia64/kernel] Error 2
#

Thanks
Ken'ichi Ohmichi