linux-kernel - Re: [PATCH v2] nft: memcg accounting for dynamically allocated objects

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Message-ID: <YkwS2F0ZrE73KONJ@salvia>
Date:   Tue, 5 Apr 2022 11:58:48 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Vasily Averin <vasily.averin@...ux.dev>
Cc:     Florian Westphal <fw@...len.de>, kernel@...nvz.org,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        netfilter-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Roman Gushchin <roman.gushchin@...ux.dev>
Subject: Re: [PATCH v2] nft: memcg accounting for dynamically allocated
 objects

On Sat, Apr 02, 2022 at 12:50:37PM +0300, Vasily Averin wrote:
> nft_*.c files whose NFT_EXPR_STATEFUL flag is set on need to
> use __GFP_ACCOUNT flag for objects that are dynamically
> allocated from the packet path.
> 
> Such objects are allocated inside nft_expr_ops->init() callbacks
> executed in task context while processing netlink messages.
> 
> In addition, this patch adds accounting to nft_set_elem_expr_clone()
> used for the same purposes.

Applied to nf, thanks