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: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: David S. Miller <davem@davemloft.net>
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@ -2068,9 +2068,9 @@ struct pcpu_sw_netstats {
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struct u64_stats_sync syncp;
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};
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#define netdev_alloc_pcpu_stats(type) \
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#define __netdev_alloc_pcpu_stats(type, gfp) \
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({ \
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typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \
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typeof(type) __percpu *pcpu_stats = alloc_percpu_gfp(type, gfp);\
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if (pcpu_stats) { \
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int __cpu; \
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for_each_possible_cpu(__cpu) { \
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@ -2082,6 +2082,9 @@ struct pcpu_sw_netstats {
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pcpu_stats; \
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})
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#define netdev_alloc_pcpu_stats(type) \
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__netdev_alloc_pcpu_stats(type, GFP_KERNEL);
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#include <linux/notifier.h>
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/* netdevice notifier chain. Please remember to update the rtnetlink
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