lkml.org 
[lkml]   [2001]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: task_struct.mm == NULL
From
Date
Frank Cornelis <Frank.Cornelis@rug.ac.be> writes:

> Hey,
>
> I found in some code checks for task_struct.mm being NULL.
> When can task_struct.mm of a process be NULL except right before the
> process-kill?

For kernel threads that run in lazy-mm mode. It allows a much cheaper context
switch into kernel threads.

-Andi
-
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 13:13    [W:0.128 / U:0.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site