linux-kernel - Re: [PATCH v4] net: ethernet: mtk_eth_soc: fix misuse of mem alloc interface netdev[napi]_alloc

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Message-ID: <20220607161413.655dd63f@kernel.org>
Date:   Tue, 7 Jun 2022 16:14:13 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Chen Lin <chen45464546@....com>
Cc:     nbd@....name, john@...ozen.org, sean.wang@...iatek.com,
        Mark-MC.Lee@...iatek.com, davem@...emloft.net, edumazet@...gle.com,
        pabeni@...hat.com, matthias.bgg@...il.com, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        alexander.duyck@...il.com
Subject: Re: [PATCH v4] net: ethernet: mtk_eth_soc: fix misuse of mem alloc
 interface netdev[napi]_alloc_frag

On Tue,  7 Jun 2022 07:39:11 +0800 Chen Lin wrote:
> +static inline void *mtk_max_lro_buf_alloc(gfp_t gfp_mask)

No need for inline, compiler will inline this anyway.

> +{
> +	void *data;

unsigned long data; then you can move the cast from the long line to
the return statement, saving us from the strange indentation.

> +	data = (void *)__get_free_pages(gfp_mask |
> +			  __GFP_COMP | __GFP_NOWARN,
> +			  get_order(mtk_max_frag_size(MTK_MAX_LRO_RX_LENGTH)));
> +
> +	return data;
> +}