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Date:   Mon, 29 Aug 2022 04:11:04 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     Dawei Li <set_pte_at@outlook.com>
Cc:     cl@linux.com, penberg@kernel.org, rientjes@google.com,
        iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, vbabka@suse.cz,
        roman.gushchin@linux.dev, 42.hyeyoo@gmail.com, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: simplify size2index conversion of __kmalloc_index
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On Sun, Aug 28, 2022 at 11:14:48PM +0800, Dawei Li wrote:
> Current size2index is implemented by one to one hardcode mapping,
> which can be improved by order_base_2().
> Must be careful to not violate compile-time optimization rule.

This patch has been NACKed before (when submitted by other people).