Re: [PATCH] mm: Add AnonZero accounting for zero-filled anonymous pages

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From: Matthew Wilcox

Date: Mon Feb 16 2026 - 12:04:11 EST

On Sat, Feb 14, 2026 at 04:45:14PM +0800, Wenchao Hao wrote:
> + if (count_zero_page && pages_identical(page, ZERO_PAGE(0)))

Pretty sure you want memchr_inv() here?