lkml.org 
[lkml]   [2005]   [Apr]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation
From
Date
On Mon, 2005-04-18 at 11:25 -0500, Timur Tabi wrote:
> Arjan van de Ven wrote:
>
> > this is a myth; linux is free to move the page about in physical memory
> > even if it's mlock()ed!!
>
> Then Linux has a very odd definition of the word "locked".
>
> > And even then, the user can munlock the memory from another thread etc
> > etc. Not a good idea.
>
> Well, that's okay, because then the app is doing something stupid, so we don't worry about
> that.

you should since that physical page can be reused, say by a root
process, and you'd be majorly screwed


-
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: 2005-04-18 21:46    [W:0.215 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site