linux-kernel - Re: [PATCH] mm: zswap: fix zswap_never_enabled() for CONFIG

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Message-ID: <CACePvbW+0j0omqwYcJR6RKSzJu9Kf6aYK7rYJZFtWo3f_bXhWw@mail.gmail.com>
Date: Mon, 1 Jul 2024 10:58:41 -0700
From: Chris Li <cli@...isli.org>
To: Barry Song <21cnbao@...il.com>
Cc: akpm@...ux-foundation.org, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, Barry Song <v-songbaohua@...o.com>, 
	Yosry Ahmed <yosryahmed@...gle.com>, Nhat Pham <nphamcs@...il.com>, 
	Chengming Zhou <chengming.zhou@...ux.dev>, Chris Li <chrisl@...nel.org>, 
	David Hildenbrand <david@...hat.com>, Johannes Weiner <hannes@...xchg.org>, 
	Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] mm: zswap: fix zswap_never_enabled() for CONFIG_ZSWAP==N

Acked-by: Chris Li <chrisl@...nel.org>

Chris

On Sat, Jun 29, 2024 at 4:22 PM Barry Song <21cnbao@...il.com> wrote:
>
> From: Barry Song <v-songbaohua@...o.com>
>
> If CONFIG_ZSWAP is set to N, it means zswap cannot be enabled.
> zswap_never_enabled() should return true.
>
> Fixes: 0300e17d67c3 ("mm: zswap: add zswap_never_enabled()")
> Signed-off-by: Barry Song <v-songbaohua@...o.com>
> Cc: Yosry Ahmed <yosryahmed@...gle.com>
> Cc: Nhat Pham <nphamcs@...il.com>
> Cc: Chengming Zhou <chengming.zhou@...ux.dev>
> Cc: Chris Li <chrisl@...nel.org>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Matthew Wilcox (Oracle) <willy@...radead.org>
> ---
>  include/linux/zswap.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/zswap.h b/include/linux/zswap.h
> index bf83ae5e285d..6cecb4a4f68b 100644
> --- a/include/linux/zswap.h
> +++ b/include/linux/zswap.h
> @@ -68,7 +68,7 @@ static inline bool zswap_is_enabled(void)
>
>  static inline bool zswap_never_enabled(void)
>  {
> -       return false;
> +       return true;
>  }
>
>  #endif
> --
> 2.34.1
>