Hi!
> >There are a couple of bits which imply ownership such as PG_slab,
> >PG_swapcache and PG_reserved which to my mind are all exclusive.
> >Perhaps those plus the PG_free could be combined into a owner field. I
> >am unsure if the PG_freeing can be 'backed out' if not it may also combine?
>
> I think there are a a few ways that bits can be reclaimed if we
> start digging. swsusp uses 2 which seems excessive though may be
> fully justified. Can PG_private be replaced by (!page->private)?
> Can filesystems easily stop using PG_checked?
It is possible that swsusp could reduce its bit usage... Current stuff
works, but probably does not need strong atomicity guarantees, and
could use some bit combination...
Pavel
--
teflon -- maybe it is a trademark, but it should not be.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
