Messages in this thread | | | Subject | Re: [PATCH net] udp: fix memory schedule error | From | Paolo Abeni <> | Date | Tue, 21 Feb 2023 13:27:39 +0100 |
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On Tue, 2023-02-21 at 19:03 +0800, Jason Xing wrote: > From: Jason Xing <kernelxing@tencent.com> > > Quoting from the commit 7c80b038d23e ("net: fix sk_wmem_schedule() > and sk_rmem_schedule() errors"): > > "If sk->sk_forward_alloc is 150000, and we need to schedule 150001 bytes, > we want to allocate 1 byte more (rounded up to one page), > instead of 150001"
I'm wondering if this would cause measurable (even small) performance regression? Specifically under high packet rate, with BH and user-space processing happening on different CPUs.
Could you please provide the relevant performance figures?
Thanks!
Paolo
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