From: Florian Westphal <fw@strlen.de>
To: Sven Auhagen <Sven.Auhagen@belden.com>
Cc: "netfilter-devel@vger.kernel.org" <netfilter-devel@vger.kernel.org>
Subject: Re: Cannot allocate memory delete table inet filter
Date: Tue, 1 Jul 2025 23:49:19 +0200 [thread overview]
Message-ID: <aGRX3xYlWBxFahbm@strlen.de> (raw)
In-Reply-To: <aFwHuT7m7GHtmtSm@strlen.de>
Florian Westphal <fw@strlen.de> wrote:
> 1). Leverage what nft_set_pipapo.c is doing and extend
> this for all sets that could use the same solution.
> The .walk callback for pipapo doesn't need/use rcu read locks,
> and could use sleepable allocations.
> all set types except rhashtable could follow this.
FWIW I'm exploring a change to nft_set_hash to avoid the rcu read lock
when calling ->iter() for rhashtable.
If it works, this would allow to just replace the GFP_ATOMIC with GFP_KERNEL.
next prev parent reply other threads:[~2025-07-01 21:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-25 8:00 Cannot allocate memory delete table inet filter Sven Auhagen
2025-06-25 14:29 ` Florian Westphal
2025-06-25 14:51 ` Sven Auhagen
2025-07-01 8:15 ` Sven Auhagen
2025-07-01 10:48 ` Florian Westphal
2025-07-01 21:49 ` Florian Westphal [this message]
2025-07-02 3:51 ` Sven Auhagen
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