netdev - Re: [PATCH RFC 1/2] rhashtable: accept GFP flags in rhashtable_walk

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Message-ID: <20160301193134.GA11309@pox.localdomain>
Date:	Tue, 1 Mar 2016 20:31:34 +0100
From:	Thomas Graf <tgraf@...g.ch>
To:	Bob Copeland <me@...copeland.com>
Cc:	linux-wireless@...r.kernel.org,
	Johannes Berg <johannes@...solutions.net>,
	netdev@...r.kernel.org
Subject: Re: [PATCH RFC 1/2] rhashtable: accept GFP flags in
 rhashtable_walk_init

On 02/28/16 at 08:06pm, Bob Copeland wrote:
> In certain cases, the 802.11 mesh pathtable code wants to
> iterate over all of the entries in the forwarding table from
> the receive path, which is inside an RCU read-side critical
> section.  Enable walks inside atomic sections by allowing
> GFP_ATOMIC allocations for the walker state.
> 
> Change all existing callsites to pass in GFP_KERNEL.
> 
> Cc: Thomas Graf <tgraf@...g.ch>
> Cc: netdev@...r.kernel.org
> Signed-off-by: Bob Copeland <me@...copeland.com>

rhashtable bits LGTM

Acked-by: Thomas Graf <tgraf@...g.ch>