<div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">If the buffer at user side is more then a page, then it may be that complete user space buffer is not available in memory and kernel spend time in processing page fault</div>
</blockquote><div><br></div><div>I have attached code for module and user program. If anyone is bored over the weekend they are welcome to try and explain the behavior.</div><div><br></div><div>Abu Rasheda</div></div></div>