From: David Miller <davem@davemloft.net>
To: jan.dakinevich@virtuozzo.com
Cc: linux-kernel@vger.kernel.org, den@virtuozzo.com,
khorenko@virtuozzo.com, jan.dakinevich@gmail.com,
kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org,
pablo@netfilter.org, kadlec@netfilter.org, fw@strlen.de,
johannes.berg@intel.com, dsahern@gmail.com, christian@brauner.io,
stephen@networkplumber.org, Jason@zx2c4.com,
jakub.kicinski@netronome.com, willemb@google.com,
xiyou.wangcong@gmail.com, simon.horman@netronome.com,
john.hurley@netronome.com, pabeni@redhat.com, brouer@redhat.com,
bigeasy@linutronix.de, edumazet@google.com, lirongqing@baidu.com,
ap420073@gmail.com, ptalbert@redhat.com,
herbert@gondor.apana.org.au, tglx@linutronix.de, dima@arista.com,
netdev@vger.kernel.org, netfilter-devel@vger.kernel.org,
coreteam@netfilter.org
Subject: Re: [PATCH 0/3] rework netlink skb allocation
Date: Thu, 22 Aug 2019 12:04:47 -0700 (PDT) [thread overview]
Message-ID: <20190822.120447.538380205267677448.davem@davemloft.net> (raw)
In-Reply-To: <1566470851-4694-1-git-send-email-jan.dakinevich@virtuozzo.com>
From: Jan Dakinevich <jan.dakinevich@virtuozzo.com>
Date: Thu, 22 Aug 2019 10:48:08 +0000
> Currently, userspace is able to initiate costly high-order allocation in
> kernel sending large broadcast netlink message, which is considered
> undesirable. At the same time, unicast message are safe in this regard,
> because they uses vmalloc-ed memory.
>
> This series introduces changes, that allow broadcast messages to be
> allocated with vmalloc() as well as unicast.
I'm tossing this series for the same reason I tossed the AF_UNIX change.
prev parent reply other threads:[~2019-08-22 19:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-22 10:48 [PATCH 0/3] rework netlink skb allocation Jan Dakinevich
2019-08-22 10:48 ` [PATCH 1/3] skbuff: use kvfree() to deallocate head Jan Dakinevich
2019-08-22 10:48 ` [PATCH 2/3] netlink: always use vmapped memory for skb data Jan Dakinevich
2019-08-22 10:48 ` [PATCH 3/3] netlink: use generic skb_set_owner_r() Jan Dakinevich
2019-08-22 19:04 ` David Miller [this message]
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