linux-kernel - Re: [PATCH net-next] rhashtable: Drop gfp

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Date:	Thu, 13 Nov 2014 15:18:53 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	ebiederm@...ssion.com, eric.dumazet@...il.com
Subject: Re: [PATCH net-next] rhashtable: Drop gfp_flags arg in
 insert/remove functions

From: Thomas Graf <tgraf@...g.ch>
Date: Thu, 13 Nov 2014 13:45:46 +0100

> Reallocation is only required for shrinking and expanding and both rely
> on a mutex for synchronization and callers of rhashtable_init() are in
> non atomic context. Therefore, no reason to continue passing allocation
> hints through the API.
> 
> Instead, use GFP_KERNEL and add __GFP_NOWARN | __GFP_NORETRY to allow
> for silent fall back to vzalloc() without the OOM killer jumping in as
> pointed out by Eric Dumazet and Eric W. Biederman.
> 
> Signed-off-by: Thomas Graf <tgraf@...g.ch>

Applied, thanks Thomas.
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