local_irq_save() was introduced in v4.2-rc1 via 9451980a6646
("net: Use cached copy of pfmemalloc to avoid accessing page").
This is only v4.1-RT..v4.4-RT fallout.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
net/core/skbuff.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 7c422e441f1c..53f10c2d7718 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -434,13 +434,13 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int len,
if (sk_memalloc_socks())
gfp_mask |= __GFP_MEMALLOC;
- local_irq_save(flags);
+ local_lock_irqsave(netdev_alloc_lock, flags);
nc = this_cpu_ptr(&netdev_alloc_cache);
data = __alloc_page_frag(nc, len, gfp_mask);
pfmemalloc = nc->pfmemalloc;
- local_irq_restore(flags);
+ local_unlock_irqrestore(netdev_alloc_lock, flags);
if (unlikely(!data))
return NULL;
--
2.7.0.rc3
--
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