netdev - Re: [PATCH net-next v7 0/6] neighbour: Improve neigh_flush

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Message-ID: <20241023051811.37782-1-kuniyu@amazon.com>
Date: Tue, 22 Oct 2024 22:18:11 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: <gnaaman@...venets.com>
CC: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<kuniyu@...zon.com>, <netdev@...r.kernel.org>, <pabeni@...hat.com>,
	<stfomichev@...il.com>
Subject: Re: [PATCH net-next v7 0/6] neighbour: Improve neigh_flush_dev performance

From: Gilad Naaman <gnaaman@...venets.com>
Date: Wed, 23 Oct 2024 05:01:10 +0000
> > Looks like the test is still unhappy. Can you try to run it on your side
> > before reposting? Or does it look good?
> 
> Hey,
> 
> Apologies if I missed anything.
> 
> I ran this before posting, after applying the entire series, and found no crashes:
> 
>     sudo make -C tools/testing/selftests run_tests TARGETS=net
> 
> Is there more info about this run?
> Was this ran on an intermediate patch in the series or all of it?

It seems the warning requires CONFIG_DEBUG_VM.

  [  110.446754][    C2] kernel BUG at include/linux/mm.h:1140!

But I guess the issue will disappear if you rebase the series on top of
Eric's patch and avoid calling free_pages() directly ?

https://lore.kernel.org/netdev/20241022150059.1345406-1-edumazet@google.com/