Re: [PATCH 2/2] mm: slab: fix comment for __assume_kmalloc_alignment

[David Rientjes]

On Thu, 28 Apr 2022, andrey.konovalov@xxxxxxxxx wrote:

> From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> 
> The comment next to the __assume_kmalloc_alignment definition is not
> precise: kmalloc relies on kmem_cache_alloc, so kmalloc technically returns
> pointers aligned to both ARCH_KMALLOC_MINALIGN and ARCH_SLAB_MINALIGN,
> not only to ARCH_KMALLOC_MINALIGN.
> 
> (See create_kmalloc_cache()->create_boot_cache()->calculate_alignment()
>  for SLAB and SLUB and __do_kmalloc_node() for SLOB.)
> 
> Clarify the comment.
> 
> The assumption specified by __assume_kmalloc_alignment is still correct,
> although it can be made stronger. I'll leave this to a separate patch.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>