linux-kernel - Re: [PATCH v3 3/4] mm/page_isolation: remove migratetype from undo_isolate_page

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Message-ID: <20250508211223.GD323143@cmpxchg.org>
Date: Thu, 8 May 2025 17:12:23 -0400
From: Johannes Weiner <hannes@...xchg.org>
To: Zi Yan <ziy@...dia.com>
Cc: David Hildenbrand <david@...hat.com>, linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oscar Salvador <osalvador@...e.de>,
	Vlastimil Babka <vbabka@...e.cz>,
	Baolin Wang <baolin.wang@...ux.alibaba.com>,
	"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
	Mel Gorman <mgorman@...hsingularity.net>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Michal Hocko <mhocko@...e.com>,
	Brendan Jackman <jackmanb@...gle.com>,
	Richard Chang <richardycc@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/4] mm/page_isolation: remove migratetype from
 undo_isolate_page_range()

On Wed, May 07, 2025 at 05:10:58PM -0400, Zi Yan wrote:
> Since migratetype is no longer overwritten during pageblock isolation,
> undoing pageblock isolation no longer needs which migratetype to restore.
> 
> Signed-off-by: Zi Yan <ziy@...dia.com>
> Acked-by: David Hildenbrand <david@...hat.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>

The whole series is a great improvement.