linux-kernel - Re: [PATCH v4 13/17] mm/sl[au]b: cleanup kmem_cache_alloc[_node]

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Date:   Tue, 23 Aug 2022 17:04:36 +0200
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Hyeonggon Yoo <42.hyeyoo@...il.com>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 13/17] mm/sl[au]b: cleanup
 kmem_cache_alloc[_node]_trace()

On 8/17/22 12:18, Hyeonggon Yoo wrote:
> This patch does:

I've removed this line locally and re-idented the rest.

> 	- Despite its name, kmem_cache_alloc[_node]_trace() is hook for
> 	  inlined kmalloc. So rename it to kmalloc[_node]_trace().
> 
> 	- Move its implementation to slab_common.c by using
>           __kmem_cache_alloc_node(), but keep CONFIG_TRACING=n varients to
> 	  save a function call when CONFIG_TRACING=n.
> 
> 	- Use __assume_kmalloc_alignment for kmalloc[_node]_trace
> 	  instead of __assume_slab_alignement. Generally kmalloc has
> 	  larger alignment requirements.
> 
> Suggested-by: Vlastimil Babka <vbabka@...e.cz>
> Signed-off-by: Hyeonggon Yoo <42.hyeyoo@...il.com>

Reviewed-by: Vlastimil Babka <vbabka@...e.cz>