netdev - Re: [PATCH net-next v3 3/5] net/ipv6: Remove expired routes with a separated list of routes.

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Message-ID: <Zb9nEkehw-j8s7o6@Laptop-X1>
Date: Sun, 4 Feb 2024 18:29:38 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: thinker.li@...il.com
Cc: netdev@...r.kernel.org, ast@...nel.org, martin.lau@...ux.dev,
	kernel-team@...a.com, davem@...emloft.net, dsahern@...nel.org,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	sinquersw@...il.com, kuifeng@...a.com
Subject: Re: [PATCH net-next v3 3/5] net/ipv6: Remove expired routes with a
 separated list of routes.

On Fri, Feb 02, 2024 at 12:21:58AM -0800, thinker.li@...il.com wrote:
> From: Kui-Feng Lee <thinker.li@...il.com>
> 
> FIB6 GC walks trees of fib6_tables to remove expired routes. Walking a tree
> can be expensive if the number of routes in a table is big, even if most of
> them are permanent. Checking routes in a separated list of routes having
> expiration will avoid this potential issue.
> 
> Signed-off-by: Kui-Feng Lee <thinker.li@...il.com>

FYI, I will wait for David Ahern to help review this patch.

Thanks
Hangbin