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From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Pintu Kumar <quic_pintu@quicinc.com>
Cc: minchan@kernel.org, senozhatsky@chromium.org,
	akpm@linux-foundation.org, willy@infradead.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	joe@perches.com, skhan@linuxfoundation.org, pintu.ping@gmail.com
Subject: Re: [PATCH] mm/zsmalloc: Use memcpy_from/to_page whereever possible
Date: Fri, 11 Oct 2024 11:00:37 +0900	[thread overview]
Message-ID: <20241011020037.GB1279924@google.com> (raw)
In-Reply-To: <20241010175143.27262-1-quic_pintu@quicinc.com>

On (24/10/10 23:21), Pintu Kumar wrote:
[..]
> @@ -1511,10 +1501,10 @@ static void zs_object_copy(struct size_class *class, unsigned long dst,
>  		d_size -= size;
>  
>  		/*
> -		 * Calling kunmap_atomic(d_addr) is necessary. kunmap_atomic()
> -		 * calls must occurs in reverse order of calls to kmap_atomic().
> -		 * So, to call kunmap_atomic(s_addr) we should first call
> -		 * kunmap_atomic(d_addr). For more details see
> +		 * Calling kunmap_local(d_addr) is necessary. kunmap_local()
> +		 * calls must occurs in reverse order of calls to kmap_local_page().
> +		 * So, to call kunmap_local(s_addr) we should first call
> +		 * kunmap_local(d_addr). For more details see
>  		 * Documentation/mm/highmem.rst.
>  		 */

I'd prefer this entire comment to be dropped.


  reply	other threads:[~2024-10-11  2:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-10 17:51 Pintu Kumar
2024-10-11  2:00 ` Sergey Senozhatsky [this message]
2024-10-11 14:41   ` Pintu Agarwal

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