Re: [RFC/PATCH v2 04/10] mm: slub: introduce virt_to_obj function.

From: Andrey Ryabinin
Date: Mon Sep 15 2014 - 03:18:16 EST


On 09/11/2014 12:32 AM, Andrey Ryabinin wrote:
> 2014-09-10 20:16 GMT+04:00 Christoph Lameter <cl@xxxxxxxxx>:
>> On Wed, 10 Sep 2014, Andrey Ryabinin wrote:
>>
>>> virt_to_obj takes kmem_cache address, address of slab page,
>>> address x pointing somewhere inside slab object,
>>> and returns address of the begging of object.
>>
>> This function is SLUB specific. Does it really need to be in slab.h?
>>
>
> Oh, yes this should be in slub.c
>

I forgot that include/linux/slub_def.h exists. Perhaps it would be better to move
virt_to_obj into slub_def.h to avoid ugly #ifdef CONFIG_KASAN in slub.c

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