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

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Message-ID: <YwWg5g8sfw0r9ypH@hyeyoo>
Date:   Wed, 24 Aug 2022 12:54:14 +0900
From:   Hyeonggon Yoo <42.hyeyoo@...il.com>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     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>, 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 Tue, Aug 23, 2022 at 05:04:36PM +0200, Vlastimil Babka wrote:
> On 8/17/22 12:18, Hyeonggon Yoo wrote:
> > This patch does:
> 
> I've removed this line locally and re-idented the rest.

Ah, thanks. looks better.

> > 	- 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>

Thanks!

-- 
Thanks,
Hyeonggon