linux-kernel - Re: [PATCHv2] mm/page_alloc: Make deferred page init free pages in MAX

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Message-ID: <20230321165314.krlhfmko6j52jfze@suse.de>
Date:   Tue, 21 Mar 2023 16:53:14 +0000
From:   Mel Gorman <mgorman@...e.de>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        David Hildenbrand <david@...hat.com>, linux-mm@...ck.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] mm/page_alloc: Make deferred page init free pages in
 MAX_ORDER blocks

On Tue, Mar 21, 2023 at 03:24:15AM +0300, Kirill A. Shutemov wrote:
> Normal page init path frees pages during the boot in MAX_ORDER chunks,
> but deferred page init path does it in pageblock blocks.
> 
> Change deferred page init path to work in MAX_ORDER blocks.
> 
> For cases when MAX_ORDER is larger than pageblock, set migrate type to
> MIGRATE_MOVABLE for all pageblocks covered by the page.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

Acked-by: Mel Gorman <mgorman@...e.de>

-- 
Mel Gorman
SUSE Labs