Re: address space layout of x86_64?
Re: address space layout of x86_64?
- Subject: Re: address space layout of x86_64?
- From: Michael Smith <email@hidden>
- Date: Fri, 01 Dec 2006 11:21:17 -0800
Andrew Gallatin wrote:
What is the address space layout of 64-bit applications
on x86_64? Is the address space below 4GB reserved
for kernel mappings?
It's my recollection that, on EM64T systems the 64-bit user process
memory map leaves the virtual range 0-0xffffffff unmapped as a mechanism
for catching application (and originally kernel) bugs.
= Mike
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