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Message-ID: <00e07f2f-6ba1-a95d-eb99-5c659ac199ed@suse.cz>
Date:   Tue, 10 Jan 2023 16:28:35 +0100
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Subject: Re: [PATCH 3/7] mm/page_alloc: Explicitly record high-order atomic
 allocations in alloc_flags
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To:     Mel Gorman <mgorman@techsingularity.net>,
        Linux-MM <linux-mm@kvack.org>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Michal Hocko <mhocko@suse.com>, NeilBrown <neilb@suse.de>,
        Thierry Reding <thierry.reding@gmail.com>,
        Matthew Wilcox <willy@infradead.org>,
        LKML <linux-kernel@vger.kernel.org>
References: <20230109151631.24923-1-mgorman@techsingularity.net>
 <20230109151631.24923-4-mgorman@techsingularity.net>
From:   Vlastimil Babka <vbabka@suse.cz>
In-Reply-To: <20230109151631.24923-4-mgorman@techsingularity.net>
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On 1/9/23 16:16, Mel Gorman wrote:
> A high-order ALLOC_HARDER allocation is assumed to be atomic. While that
> is accurate, it changes later in the series. In preparation, explicitly
> record high-order atomic allocations in gfp_to_alloc_flags(). There is
> a slight functional change in that OOM handling avoids using high-order
> reserve until it has to.
> 
> Signed-off-by: Mel Gorman <mgorman@techsingularity.net>

Acked-by: Vlastimil Babka <vbabka@suse.cz>