Re: [PATCH] slab: Clean up the code comment in slab kmem_cache struct

From: Christopher Lameter
Date: Tue Jun 05 2018 - 13:23:10 EST


On Sun, 3 Jun 2018, Baoquan He wrote:

> diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
> index d9228e4d0320..3485c58cfd1c 100644
> --- a/include/linux/slab_def.h
> +++ b/include/linux/slab_def.h
> @@ -67,9 +67,10 @@ struct kmem_cache {
>
> /*
> * If debugging is enabled, then the allocator can add additional
> - * fields and/or padding to every object. size contains the total
> - * object size including these internal fields, the following two
> - * variables contain the offset to the user object and its size.
> + * fields and/or padding to every object. 'size' contains the total
> + * object size including these internal fields, while 'obj_offset'
> + * and 'object_size' contain the offset to the user object and its
> + * size.
> */
> int obj_offset;
> #endif /* CONFIG_DEBUG_SLAB */
>

Wish we had some more consistent naming. object_size and obj_offset??? And
the fields better be as close together as possible.


Acked-by: Christoph Lameter <cl@xxxxxxxxx>