linux-kernel - Re: [PATCH v3] mm/page_alloc: prevent reporting pcp->batch = 0

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Message-ID: <aUFt6Q7TIbFV9v95@casper.infradead.org>
Date: Tue, 16 Dec 2025 14:34:17 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Joshua Hahn <joshua.hahnjy@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Daniel Palmer <daniel@...f.com>,
	Brendan Jackman <jackmanb@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Michal Hocko <mhocko@...e.com>,
	Suren Baghdasaryan <surenb@...gle.com>,
	Vlastimil Babka <vbabka@...e.cz>, Zi Yan <ziy@...dia.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	kernel-team@...a.com
Subject: Re: [PATCH v3] mm/page_alloc: prevent reporting pcp->batch = 0

On Tue, Dec 16, 2025 at 06:27:53AM -0800, Joshua Hahn wrote:
>  	batch = min(zone_managed_pages(zone) >> 12, SZ_256K / PAGE_SIZE);
> -	if (batch < 1)
> +	if (batch <= 1)
>  		batch = 1;
>  

This seems like a no-op to me.  Did you send the right patch?