lkml.org 
[lkml]   [1999]   [Dec]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Per-Processor Data Paget

> clone()ing costs go up immediately, from the current 10 usecs cost to
> create a process to 50-100 usecs, plus MM handling gets more complicated.
> Plus in PAE mode this would be even more complicated (because two levels
> need to be private to the thread). [...]

plus a full TLB flush has to be done if we context-switch between threads
that share the same address-space...

-- mingo


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:55    [W:0.502 / U:0.812 seconds]
©2003-2014 Jasper Spaans. Advertise on this site