Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!mcgill-vision!snorkelwacker!usc!zaphod.mps.ohio-state.edu!mips!daver!kcdev!genco!rad
From: rad@genco.uucp (Bob Daniel)
Newsgroups: comp.sys.mac.misc
Subject: Re: Mac & Win: Questions about memory management
Keywords: Mac, Win, MS Windows, memory management
Message-ID: <7@genco.uucp>
Date: 18 Jul 90 18:36:37 GMT
References: <3102@gmdzi.UUCP>
Reply-To: rad@genco. (Bob Daniel)
Organization: Gentry & Assoc. Excelsior Springs, MO
Lines: 15

In article <3102@gmdzi.UUCP> strobl@gmdzi.UUCP (Wolfgang Strobl) writes:
> 
>Is my understanding of the Mac way correct?  What if an app needs more
>memory, can it request that its partition be increased in size?  

  Under MultiFinder, each application allocates its own "heap".  It is
  possible to access a temporary handle outside of the heap using
  MFTempHandle.

>Is there
>any way to unfragment memory?  Does system 7 change this?  Would a PMMU
>help?

  You can unfragment the memory within a heap but not all heaps.  I do not
  know about Sys7.