linux-kernel - Re: [PATCH net] octeontx2-af: Fix QMEM struct memory allocation

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Message-ID: <20230103191349.30098394@kernel.org>
Date:   Tue, 3 Jan 2023 19:13:49 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Geetha sowjanya <gakula@...vell.com>
Cc:     Leon Romanovsky <leon@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, pabeni@...hat.com,
        davem@...emloft.net, edumazet@...gle.com, sbhatta@...vell.com,
        hkelam@...vell.com, sgoutham@...vell.com
Subject: Re: [PATCH net] octeontx2-af: Fix QMEM struct memory allocation

On Tue, 3 Jan 2023 12:05:51 +0200 Leon Romanovsky wrote:
> No, GFP_ATOMIC is for memory allocations in atomic context and not for
> separation between reserved and unreserved memory.

Indeed, using ATOMIC to avoid CMA seems like an odd hack.
I haven't encountered this before.