A few queries

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Hi
Does any one know the difference between tasklet and 
softirQ? in the code comments, it was given that 
tasklets can run only on one cpu simultaneously. 
I just cudn't visualize how softirq can do? 
And how does tasklets differ from bottom halves?
What is the diff. bet mmap and shared mem. in terms 
of its application. I mean where xactly mmap can not
be used by shared mem. can be used etc...
Thanks in advance.
V.V Suresh Kumar

V.V Suresh Kumar


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