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netlink: Allow direct reclaim for fallback allocation

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The backport of d35c99ff77 ("netlink: do not enter direct reclaim from
netlink_dump()") to the 4.4 branch (first in 4.4.32) mistakenly removed
direct claim from the initial large allocation _and_ the fallback
allocation which means that allocations can spuriously fail.
Fix the issue by adding back the direct reclaim flag to the fallback
allocation.

Fixes: 6d123f1d39 ("netlink: do not enter direct reclaim from netlink_dump()")
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ross Lagerwall 2017-05-03 09:44:19 +01:00 committed by Greg Kroah-Hartman
parent 35c9bfa511
commit a8d47b4b3c
1 changed files with 1 additions and 1 deletions
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2
net/netlink/af_netlink.c
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@ -2107,7 +2107,7 @@ static int netlink_dump(struct sock *sk)
if (!skb) {
alloc_size = alloc_min_size;
skb = netlink_alloc_skb(sk, alloc_size, nlk->portid,
(GFP_KERNEL & ~__GFP_DIRECT_RECLAIM));
GFP_KERNEL);
}
if (!skb)
goto errout_skb;