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SubjectRe: [PATCH] headers: untangle kmemleak.h from mm.h
On 02/13/2018 02:09 AM, Michael Ellerman wrote:
> Randy Dunlap <> writes:
>> On 02/12/2018 04:28 AM, Michael Ellerman wrote:
>>> Randy Dunlap <> writes:
>>>> From: Randy Dunlap <>
>>>> 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 <>
>>> 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]
>> Both of those source files need to #include <linux/vmalloc.h>.
> Yep, I added those and rebuilt. I don't see any more failures that look
> related to your patch.

Great, thanks.

I also sent patches for both of those.

> I haven't gone through the defconfigs I have enabled for a while, so
> it's possible I have some missing but it's still a reasonable cross
> section.


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