On Mon, 2001-12-03 at 03:04, Holger Rauch wrote: > Hi Michael! > > First of all, thanks for your hint! > > On 2 Dec 2001, Michael Heldebrant wrote: > > > IIRC from the Understanding the Linux Kernel book by O'Reilly, linux > > doesn't actually worry about memory until you actually use it. I'm not > > sure if a malloc counts as using it for storing data since I'm no C > > programmer but unless you actually write to the memory linux doesn't > > bother setting up the actual pages since it's a waste for the system to > > make and tear down pages that are never accessed. > > You mean I actually have to write data to the malloc()ed memory region?
I beleive so, if it's just malloced and not used the kernel won't bother making the page until the last second when it's needed for a read or write. I'll go read my kernel book again and report back if thats not the case. --mike
