[lkml]   [2000]   [Mar]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
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
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:57    [W:0.056 / U:2.940 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site