lkml.org 
[lkml]   [2002]   [Aug]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: MM patches against 2.5.31
On Mon, 26 Aug 2002, Linus Torvalds wrote:

> If you do this, then I would personally suggest a conceptually different
> approach: make the LRU list count towards the page count. That will
> _automatically_ result in what you describe - if a page is on the LRU
> list, then "freeing" it will always just decrement the count, and the
> _real_ free comes from walking the LRU list and considering count==1 to
> be trivially freeable.

We can turn these into per-cpu "garbage collect" LRUs, if
we're holding the lock anyway when we decrement the count
we can move the page to a place where it can be found
easily.

regards,

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 13:28    [W:0.694 / U:0.728 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site