lkml.org 
[lkml]   [2005]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 1/3] NOMMU: Provide shared-writable mmap support on ramfs
Date
David Howells <dhowells@redhat.com> wrote:

> > Truncate is _supposed_ to get rid of any shared mmap stuff.
>
> Yeah... but under _NOMMU_ conditions, it can't. There's no MMU around to
> enforce the fact that the mapping has been shrunk.

I may not have mentioned, but this does not apply under MMU conditions. A
different file in fs/ramfs/ swings into action and does the normal thing.

David
-
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: 2005-11-23 20:27    [W:0.028 / U:0.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site