Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 25 Apr 2003 14:10:32 -0700 | From | "Martin J. Bligh" <> | Subject | Re: TASK_UNMAPPED_BASE & stack location |
| |
>> 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 ... >> >> Moreover, can we put the stack back where it's meant to be, below the >> program text, in that wasted 128MB of virtual space? Who really wants >> > 128MB of stack anyway (and can't fix their app)? > > That space is NULL pointer trap zone. NULL pointer trapping -> good.
128Mb of it? The bottom page, or even a few Mb, sure ... but 128Mb seems somewhat excessive ...
M.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| ![\](/images/icornerr.gif) |