lkml.org 
[lkml]   [1997]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: pageable page tables
On Tue, Nov 25, 1997 at 09:37:00PM +0100, Rik van Riel wrote:

> Another concern is that users can grab _all_ of system memory
> by having several processes do a 2GB mmap of /dev/zero...
> This 'doesn't take any memory' so they can take up as much
> (non-pageable) pagetable memory as they want.
> In fact, this is the main reason people asked me if I could look
> into this... This is one of the biggest denial-of-service holes
> still left. (ssstt)

So the resource accounting should count those pages also.

Ralf

\
 
 \ /
  Last update: 2005-03-22 13:40    [from the cache]
©2003-2011 Jasper Spaans