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Message-ID: <bd97381d-70e4-40ac-b074-eb0d74ca2891@redhat.com>
Date: Tue, 2 Jul 2024 08:58:51 +0200
From: David Hildenbrand <david@...hat.com>
To: Barry Song <21cnbao@...il.com>, akpm@...ux-foundation.org,
 linux-mm@...ck.org
Cc: 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>,
 Johannes Weiner <hannes@...xchg.org>, Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] mm: zswap: fix zswap_never_enabled() for CONFIG_ZSWAP==N

On 30.06.24 01:22, Barry Song 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

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb


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