Re: BIGMEM kernel question

From: Alan Cox (
Date: Fri Jul 06 2001 - 16:02:45 EST

> kernel. My machine has 4GB of RAM, and 6GB of swap. It appears that I
> can only allocate 2930 MB (using heapc_linux and other programs). What
> do I need to do to get Linux to allow allocation of all available memory

A non x86 based computer. Its basically impractical to map more than 3Gb of
memory to user space per process on x86. You can use mmap and shared memory
to do DOS EMS like tricks with gig rather than 64K sized chunks but you want
a real 64bit processor to go further


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This archive was generated by hypermail 2b29 : Sat Jul 07 2001 - 21:00:19 EST