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Old 12-02-2010, 05:12 PM
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Re: NAND vs SDCARD (where is my memory used at?)

Quote:
Originally Posted by arrrghhh View Post
Quote:
Originally Posted by m4f1050 View Post
So that in my dictionary is a "ramdisk" does Android use a Ramdisk? It could possibly explain why...
Uhm... It uses RAM, perhaps you're thinking of swap? In Windows this is called a page file - basically it slices out a piece of the hard disk to use the same way that RAM is used - but it's supposed to be used very sparingly - in Linux systems it's only used when you run out of RAM. Windows... it's a little more fuzzy.
Android can use a RAMDisk, but I'm with Arrrghhh on not being sure exactly what you are describing.

In Linux, you have compcache module which sections off a chunk of RAM to use as a RAMDisk. We have the drivers and everything available in the kernel to use on the XDAndroid builds, but I'm not sure if it is actually used or not. As far as swap/pagefile goes, that is virtual memory that should only be used when the system needs to free up memory blocks but needs to retain the information it is trying to clear out.
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