netdev - Re: [PATCH v2 net-next 0/4] net: core: use a dedicated kmem

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Date:   Wed, 08 Feb 2023 00:20:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, eric.dumazet@...il.com, soheil@...gle.com
Subject: Re: [PATCH v2 net-next 0/4] net: core: use a dedicated kmem_cache for skb
 head allocs

Hello:

This series was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Mon,  6 Feb 2023 17:30:59 +0000 you wrote:
> Our profile data show that using kmalloc(non_const_size)/kfree(ptr)
> has a certain cost, because kfree(ptr) has to pull a 'struct page'
> in cpu caches.
> 
> Using a dedicated kmem_cache for TCP skb->head allocations makes
> a difference, both in cpu cycles and memory savings.
> 
> [...]

Here is the summary with links:
  - [v2,net-next,1/4] net: add SKB_HEAD_ALIGN() helper
    https://git.kernel.org/netdev/net-next/c/115f1a5c42bd
  - [v2,net-next,2/4] net: remove osize variable in __alloc_skb()
    https://git.kernel.org/netdev/net-next/c/65998d2bf857
  - [v2,net-next,3/4] net: factorize code in kmalloc_reserve()
    https://git.kernel.org/netdev/net-next/c/5c0e820cbbbe
  - [v2,net-next,4/4] net: add dedicated kmem_cache for typical/small skb->head
    https://git.kernel.org/netdev/net-next/c/bf9f1baa279f

You are awesome, thank you!
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