linux-kernel - Re: [PATCH v10 15/69] damon: convert __damon_va_three

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Date:   Thu, 23 Jun 2022 20:47:23 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Liam Howlett <liam.howlett@...cle.com>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "damon @ lists . linux . dev" <damon@...ts.linux.dev>,
        SeongJae Park <sj@...nel.org>
Subject: Re: [PATCH v10 15/69] damon: convert __damon_va_three_regions to use
 the VMA iterator

On 21.06.22 22:46, Liam Howlett wrote:
> From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
> 
> This rather specialised walk can use the VMA iterator.  If this proves to
> be too slow, we can write a custom routine to find the two largest gaps,
> but it will be somewhat complicated, so let's see if we need it first.
> 
> Update the kunit test case to use the maple tree.  This also fixes an
> issue with the kunit testcase not adding the last VMA to the list.
> 
> Link: https://lkml.kernel.org/r/20220504011215.661968-1-Liam.Howlett@oracle.com
> Fixes: 17ccae8bb5c9 (mm/damon: add kunit tests)
> Signed-off-by: Liam R. Howlett <Liam.Howlett@...cle.com>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: SeongJae Park <sj@...nel.org>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: David Howells <dhowells@...hat.com>
> Cc: Vlastimil Babka <vbabka@...e.cz>
> Cc: Will Deacon <will@...nel.org>
> Cc: Davidlohr Bueso <dave@...olabs.net>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> ---

Nothing jumped at me

Reviewed-by: David Hildenbrand <david@...hat.com>


-- 
Thanks,

David / dhildenb