On Tue, 2023-02-21 at 19:03 +0800, Jason Xing wrote: > From: Jason Xing <kernelxing@xxxxxxxxxxx> > > 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