lkml.org 
[lkml]   [2002]   [Aug]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 6/12] hold atomic kmaps across generic_file_read
On Sat, 10 Aug 2002, Linus Torvalds wrote:

> and having it magically populate the VM directly with the whole file
> mapping, with _one_ failed page fault. And the above is actually a fairly
> common thing. See how many people have tried to optimize using mmap vs
> read, and what they _all_ really wanted was this "populate the pages in
> one go" thing.

If this is worth it, chances are prefaulting at mmap() time
could also be worth trying ... hmmm ;)

Rik
--
Bravely reimplemented by the knights who say "NIH".

http://www.surriel.com/ http://distro.conectiva.com/

-
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 13:27    [W:0.049 / U:0.464 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site