From: Jakub Kicinski <kuba@kernel•org>
To: Aditya Garg <gargaditya@linux•microsoft.com>
Cc: kys@microsoft•com, haiyangz@microsoft•com, wei.liu@kernel•org,
decui@microsoft•com, longli@microsoft•com, andrew+netdev@lunn•ch,
davem@davemloft•net, edumazet@google•com, pabeni@redhat•com,
kotaranov@microsoft•com, horms@kernel•org,
ssengar@linux•microsoft.com, jacob.e.keller@intel•com,
dipayanroy@linux•microsoft.com, ernis@linux•microsoft.com,
shirazsaleem@microsoft•com, kees@kernel•org, sbhatta@marvell•com,
leitao@debian•org, netdev@vger•kernel.org,
linux-hyperv@vger•kernel.org, linux-kernel@vger•kernel.org,
linux-rdma@vger•kernel.org, bpf@vger•kernel.org,
gargaditya@microsoft•com
Subject: Re: [PATCH net-next v2 0/2] net: mana: Avoid queue struct allocation failure under memory fragmentation
Date: Mon, 27 Apr 2026 16:19:10 -0700 [thread overview]
Message-ID: <20260427161910.6b3cb5cb@kernel.org> (raw)
In-Reply-To: <20260427132807.1642290-1-gargaditya@linux.microsoft.com>
On Mon, 27 Apr 2026 06:23:33 -0700 Aditya Garg wrote:
> The MANA driver can fail to load on systems with high memory
> utilization because several allocations in the queue setup paths
> require large physically contiguous blocks via kmalloc. Under memory
> fragmentation these high-order allocations may fail, preventing the
> driver from creating queues at probe time or when reconfiguring
> channels, ring parameters or MTU at runtime.
net-next wasn't open yet, when you posted.
Please resubmit in a couple of days.
--
pw-bot: defer
prev parent reply other threads:[~2026-04-27 23:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 13:23 [PATCH net-next v2 0/2] net: mana: Avoid queue struct allocation failure under memory fragmentation Aditya Garg
2026-04-27 13:23 ` [PATCH net-next v2 1/2] net: mana: Use per-queue allocation for tx_qp to reduce allocation size Aditya Garg
2026-04-27 13:23 ` [PATCH net-next v2 2/2] net: mana: Use kvmalloc for large RX queue and buffer allocations Aditya Garg
2026-04-27 23:19 ` Jakub Kicinski [this message]
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