Le ven. 16 oct. 2026 à 10:22, Eric Dumazet <[email protected]> a écrit : > > Le ven. 16 oct. 2026 à 09:54, Kuniyuki Iwashima <[email protected]> a écrit : > > > > On Thu, Oct 15, 2026 at 12:37 AM Octavian Purdila <[email protected]> wrote: > > > > > > Add a packetdrill test that drives sk->sk_forward_alloc negative via > > > tcp_collapse() on the receive queue while sk->sk_wmem_queued exceeds > > > sysctl_tcp_wmem[0], and verifies that a subsequent non-blocking write() > > > under TCP memory pressure fails with EAGAIN rather than returning a > > > negative copy length from tcp_wmem_schedule() and failing with EFAULT. > > > > > > Assisted-by: LLM > > > Signed-off-by: Octavian Purdila <[email protected]> > > > > Reviewed-by: Kuniyuki Iwashima <[email protected]> > > > > Thanks ! > > Are you sure this test is passing on arches with 6K pages (as some > arm64 and ppc64 platforms) ?
This was meant to read : 64K pages. > We might need to add a check to only run it on 4K platforms.
