Thread (18 messages) 18 messages, 7 authors, 2022-09-08

Re: [PATCH net] net: avoid 32 x truesize under-estimation for tiny skbs

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-01-14 19:01:09

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed, 13 Jan 2021 08:18:19 -0800 you wrote:
From: Eric Dumazet <edumazet@google.com>

Both virtio net and napi_get_frags() allocate skbs
with a very small skb->head

While using page fragments instead of a kmalloc backed skb->head might give
a small performance improvement in some cases, there is a huge risk of
under estimating memory usage.

[...]
Here is the summary with links:
  - [net] net: avoid 32 x truesize under-estimation for tiny skbs
    https://git.kernel.org/netdev/net/c/3226b158e67c

You are awesome, thank you!
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