[syslinux] New Memory Allocation

[H. Peter Anvin]

On 11/05/2012 01:00 AM, Shao Miller wrote:
> In Syslinux-5.00, is the goal that the core and .c32 modules alike will use
> the same heap?  There is a bug I am thinking about:
> 
> - QEmu with 1024 MiB RAM
> - Syslinux 4.06
> - .c32 can realloc() up to 1013 MiB
> 
> - QEmu with 1024 MiB RAM
> - Syslinux 5.00-pre9
> - .c32 can realloc() up to 45 MiB
> 
> I am wondering if there's a maximum-allocation-size being hit, or if it's
> actually a bug I should look for.
> 

Yes, that is the goal.  Something is clearly wrong there.  It either
means we're not properly entering all of RAM into the heap, or we're
getting insane fragmentation.

	-hpa