linux-kernel - Re: [PATCH v7 2/2] mm: remove code to handle same filled pages

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Message-ID: <20240627161952.GB469122@cmpxchg.org>
Date: Thu, 27 Jun 2024 12:19:52 -0400
From: Johannes Weiner <hannes@...xchg.org>
To: Usama Arif <usamaarif642@...il.com>
Cc: akpm@...ux-foundation.org, shakeel.butt@...ux.dev, david@...hat.com,
	ying.huang@...el.com, hughd@...gle.com, willy@...radead.org,
	yosryahmed@...gle.com, nphamcs@...il.com, chengming.zhou@...ux.dev,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	kernel-team@...a.com, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH v7 2/2] mm: remove code to handle same filled pages

On Thu, Jun 27, 2024 at 11:55:30AM +0100, Usama Arif wrote:
> With an earlier commit to handle zero-filled pages in swap directly,
> and with only 1% of the same-filled pages being non-zero, zswap no
> longer needs to handle same-filled pages and can just work on compressed
> pages.
> 
> Signed-off-by: Usama Arif <usamaarif642@...il.com>
> Reviewed-by: Chengming Zhou <chengming.zhou@...ux.dev>
> Acked-by: Yosry Ahmed <yosryahmed@...gle.com>
> Reviewed-by: Nhat Pham <nphamcs@...il.com>
> Cc: Andi Kleen <ak@...ux.intel.com>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: "Huang, Ying" <ying.huang@...el.com>
> Cc: Hugh Dickins <hughd@...gle.com>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Matthew Wilcox (Oracle) <willy@...radead.org>
> Cc: Shakeel Butt <shakeel.butt@...ux.dev>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>

Excellent!

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