lkml.org 
[lkml]   [2003]   [Aug]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] Futex non-page-pinning fix
William Lee Irwin III <wli@holomorphy.com> wrote:
>> Then it sounds relatively easy to localize the search structure (if you
>> care to do so),

On Tue, Aug 26, 2003 at 10:29:31AM -0700, Andrew Morton wrote:
> The "group of all processes which could potentially (or really do) share a
> chunk of anon memory" thing sounds tricky.

Not really; it's just a random data structure with very low odds of
proliferating. Hugh did it once (for anobjrmap) and I rearranged and/or
rewrote it to suit my preferences (I think I RCU'd the lock in it or
some ridiculous nonsense on that order).


William Lee Irwin III <wli@holomorphy.com> wrote:
>> apart from a policy decision about what on earth to do
>> about waiters on truncated futexes.

On Tue, Aug 26, 2003 at 10:29:31AM -0700, Andrew Morton wrote:
> erk, screwed.

Well, the decision is essentially arbitrary, it just has to be made
(and by definition some decision is being made regardless of what the
implementation does or fails to do).


-- wli
-
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 13:48    [W:0.099 / U:2.744 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site