On 02/12/2018 04:28 AM, Michael Ellerman wrote:
> Randy Dunlap <rdun...@infradead.org> writes:
>> From: Randy Dunlap <rdun...@infradead.org>
>> Currently <linux/slab.h> #includes <linux/kmemleak.h> for no obvious
>> reason. It looks like it's only a convenience, so remove kmemleak.h
>> from slab.h and add <linux/kmemleak.h> to any users of kmemleak_*
>> that don't already #include it.
>> Also remove <linux/kmemleak.h> from source files that do not use it.
>> This is tested on i386 allmodconfig and x86_64 allmodconfig. It
>> would be good to run it through the 0day bot for other $ARCHes.
>> I have neither the horsepower nor the storage space for the other
>> $ARCHes.
>> [slab.h is the second most used header file after module.h; kernel.h
>> is right there with slab.h. There could be some minor error in the
>> counting due to some #includes having comments after them and I
>> didn't combine all of those.]
>> This is Lingchi patch #1 (death by a thousand cuts, applied to kernel
>> header files).
>> Signed-off-by: Randy Dunlap <rdun...@infradead.org>
> I threw it at a random selection of configs and so far the only failures
> I'm seeing are:
>   lib/test_firmware.c:134:2: error: implicit declaration of function 'vfree' 
> [-Werror=implicit-function-declaration]                                       
>   lib/test_firmware.c:620:25: error: implicit declaration of function 
> 'vzalloc' [-Werror=implicit-function-declaration]
>   lib/test_firmware.c:620:2: error: implicit declaration of function 
> 'vzalloc' [-Werror=implicit-function-declaration]
>   security/integrity/digsig.c:146:2: error: implicit declaration of function 
> 'vfree' [-Werror=implicit-function-declaration]
> Full results trickling in here, not all the failures there are caused by
> this patch, ie. some configs are broken in mainline:
>   http://kisskb.ellerman.id.au/kisskb/head/13396/

That's very useful, thanks.

I'll send a few patches for those.


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