This is mirror change for 0f9f01950
Currently if the number of APs in the STA environment
are many, then the STA will receive many beacons, whose
beacon process path can take long time, in the kernel
work queue, hence the other processes have to wait
for them to complete, and may get timeout, if the
the time to process the beaocns is larger than their
process timeout.
Fix is to :-
1. Add rate limit to failure conditions of memory
not allocated
2. Make memory allocation in path of beacon process
atomic.
Change-Id: I488b446c23fd01c993f7dd9bd989867fda2331d8
CRs-Fixed: 2363307
b3645e79ae