From: Thomas Graf <tgraf@suug.ch>
Date: Thu, 13 Nov 2014 12:45:46 +0000 (+0100)
Subject: rhashtable: Drop gfp_flags arg in insert/remove functions
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~122^2~191
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6eba82248ef47fd478f940a418429e3ec95cb3db;p=pandora-kernel.git

rhashtable: Drop gfp_flags arg in insert/remove functions

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@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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