lkml.org 
[lkml]   [2000]   [Mar]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: MADV_SPACEAVAIL and MADV_FREE in pre2-3
Jamie Lokier wrote:
> [Aside: is there the possibility to have mincore return the "!accessed"
> and "!dirty" bits of each page, perhaps as bits 1 and 2 of the returned
> bytes? I can imagine a bunch of garbage collection algorithms that
> could make good use of those bits. Currently some GC systems mprotect()
> regions and unprotect them on SEGV -- simply reading the !dirty status
> would obviously be much simpler and faster.]

Also, this would be wonderful for people implementing paging in user space.
Linux/a386, user-mode Linux, and the Brown Simulator comes to mind.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:57    [W:0.042 / U:0.300 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site