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Message-ID: <00e07f2f-6ba1-a95d-eb99-5c659ac199ed@suse.cz>
Date: Tue, 10 Jan 2023 16:28:35 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: Mel Gorman <mgorman@...hsingularity.net>,
Linux-MM <linux-mm@...ck.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Michal Hocko <mhocko@...e.com>, NeilBrown <neilb@...e.de>,
Thierry Reding <thierry.reding@...il.com>,
Matthew Wilcox <willy@...radead.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/7] mm/page_alloc: Explicitly record high-order atomic
allocations in alloc_flags
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@...hsingularity.net>
Acked-by: Vlastimil Babka <vbabka@...e.cz>
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