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 -- ______________________________________________ IndiaInfo Mail - the free e-mail service with a difference! www.indiainfo.com Check out our value-added Premium features, such as an extra 20MB for mail storage, POP3, e-mail forwarding, and ads-free mailboxes! Powered by Outblaze -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/