linux-kernel - a doubt on scheduler

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Message-ID: <AANLkTi=SPrzdX6uWSKtREFhnzqtLOWedEyMU-RrLHM62@mail.gmail.com>
Date:	Sun, 3 Oct 2010 10:08:31 -0400
From:	prajul phalgunan <prajulphalgunan@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: a doubt on scheduler

i  am a beginner to linux kernel and trying to learn especially how
linux schedules processes
i have  read some books on linux kernel but left with the some doubts.

1.how does the scheduler that it schedules all task within the
sysctl_sched_latency
2.when a process wakes up what actually is done in the place_entity function
3.when a process wakes up why the vruntime is adjusted by subtracting
from sched_latency,cant it lead to processes in the run queue with
large difference in the vruntime value

Expecting some one to respond...please..
thanks in advance..
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