On 07/28/2015 07:25 PM, Alexei Starovoitov wrote:
On 7/28/15 8:29 AM, Daniel Borkmann wrote:
+.BR __sync_fetch_and_add()
+can be used on map values in case the map has a value_size of sizeof(long).
+This is quite often useful for aggregation and accounting of events.
The above is a bit not clear, since both u32 and u64 can be used
as atomic counters.
Right, it's unclear indeed. Perhaps the sizeof(long) should be dropped and
it should say instead "the map has a value_size of 4 or 8 bytes".
Thanks,
Daniel
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