lkml.org 
[lkml]   [2003]   [Apr]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 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/

\
 
 \ /
  Last update: 2005-03-22 13:35    [W:0.034 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site