Re: TASK_UNMAPPED_BASE & stack location

From: William Lee Irwin III (wli@holomorphy.com)
Date: Fri Apr 25 2003 - 17:06:08 EST


"Martin J. Bligh" <mbligh@aracnet.com> writes:
>> Is there any good reason we can't remove TASK_UNMAPPED_BASE, and just shove
>> libraries directly above the program text? Red Hat seems to have patches to
>> dynamically tune it on a per-processes basis anyway ...

On Fri, Apr 25, 2003 at 11:54:56PM +0200, Andi Kleen wrote:
> Yes. You won't get a continuous sbrk/brk heap then anymore. Not sure it is a
> big problem though.
> But apparently Solaris/x86 is doing that.
> It's probably worth a sysctl at least.

How about a personality? It is a very slightly different ABI.

-- wli
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