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Commit aabc92bb authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
Browse files

net: add __netdev_alloc_pcpu_stats() to indicate gfp flags 



nf_tables may create percpu counters from the packet path through its
dynamic set instantiation infrastructure, so we need a way to allocate
this through GFP_ATOMIC.

Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 74ec4d55

include/linux/netdevice.h

+15 −12
Original line number Diff line number Diff line
@@ -2068,9 +2068,9 @@ struct pcpu_sw_netstats { 
	struct u64_stats_sync   syncp;

};



#define netdev_alloc_pcpu_stats(type)				\

#define __netdev_alloc_pcpu_stats(type, gfp)				\

({									\

	typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \

	typeof(type) __percpu *pcpu_stats = alloc_percpu_gfp(type, gfp);\

	if (pcpu_stats)	{						\

		int __cpu;						\

		for_each_possible_cpu(__cpu) {				\
@@ -2082,6 +2082,9 @@ struct pcpu_sw_netstats { 
	pcpu_stats;							\

})



#define netdev_alloc_pcpu_stats(type)					\

	__netdev_alloc_pcpu_stats(type, GFP_KERNEL);



#include <linux/notifier.h>



/* netdevice notifier chain. Please remember to update the rtnetlink