diff options
| author | Bob Copeland <me@bobcopeland.com> | 2016-03-02 18:09:19 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-05 11:56:32 +0300 |
| commit | 8f6fd83c6c5ec66a4a70c728535ddcdfef4f3697 (patch) | |
| tree | 5b5a00794c61ddd351c11b2a928e1796290896c7 /net/sctp | |
| parent | 947c2a0eccec29fcd30e717787e65792b1e607ed (diff) | |
| download | linux-8f6fd83c6c5ec66a4a70c728535ddcdfef4f3697.tar.xz | |
rhashtable: accept GFP flags in rhashtable_walk_init
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.
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
[also adjust gfs2/glock.c and rhashtable tests]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/proc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 5cfac8d5d3b3..6d45d53321e6 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -319,7 +319,8 @@ static int sctp_transport_walk_start(struct seq_file *seq) struct sctp_ht_iter *iter = seq->private; int err; - err = rhashtable_walk_init(&sctp_transport_hashtable, &iter->hti); + err = rhashtable_walk_init(&sctp_transport_hashtable, &iter->hti, + GFP_KERNEL); if (err) return err; |