jeco.dmm.sim2.lib.allocator
Class StrictSegregatedFit

java.lang.Object
  jeco.dmm.sim2.lib.allocator.Allocator
      jeco.dmm.sim2.lib.allocator.SegregatedFreeList
          jeco.dmm.sim2.lib.allocator.SegregatedFit
              jeco.dmm.sim2.lib.allocator.StrictSegregatedFit

Direct Known Subclasses:

BuddySystem, Kingsley

public abstract class StrictSegregatedFit
extends SegregatedFit

Author:

jlrisco

Field Summary

Fields inherited from class jeco.dmm.sim2.lib.allocator.Allocator

allowCoalescing, allowSplitting, freeLists, maxSizeInB, metrics, minSizeInB

Constructor Summary

StrictSegregatedFit(long minSizeInB, long maxSizeInB, boolean allowSplitting, boolean allowCoalescing)

Method Summary

abstract Block	coalesce(long sizeInB)
abstract int	computeFreeListIndex(long sizeInB)
Block	malloc(long sizeInB, Block hottest) We just enter here if we are sure that this allocator is the correct one.
abstract Block	split(long sizeInB)

Methods inherited from class jeco.dmm.sim2.lib.allocator.SegregatedFreeList

setup

Methods inherited from class jeco.dmm.sim2.lib.allocator.Allocator

add, canManage, getFreeLists, getMaxSizeInB, getMinSizeInB, isAllowCoalescing, isAllowSplitting, setMaxSizeInB, setMetrics, setMinSizeInB

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StrictSegregatedFit

public StrictSegregatedFit(long minSizeInB,
                           long maxSizeInB,
                           boolean allowSplitting,
                           boolean allowCoalescing)

Method Detail

malloc

public Block malloc(long sizeInB,
                    Block hottest)

Description copied from class: SegregatedFreeList

We just enter here if we are sure that this allocator is the correct one.

Overrides:

malloc in class SegregatedFreeList

Parameters:

sizeInB - Size in bytes

hottest - For reliability purposes, the hottest block

Returns:

The block created

computeFreeListIndex

public abstract int computeFreeListIndex(long sizeInB)

coalesce

public abstract Block coalesce(long sizeInB)

split

public abstract Block split(long sizeInB)