On Fri, 26 Jan 2007, Andrew Morton wrote:
> > > > Track mlocked pages via a ZVC
>
> Why?
Large amounts of mlocked pages may be a problem for
1. Reclaim behavior.
2. Defragmentation
> You could perhaps go for a walk across all the other vmas which presently
> map this page. If any of them have VM_LOCKED, don't increment the counter.
> Similar on removal: only decrement the counter when the final mlocked VMA
> is dropping the pte.
For that we would need an additional refcount for vmlocked maps in the
page struct. Looks too expensive.
-
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]
