Re: large page patch (fwd) (fwd)

Linus Torvalds
2002-08-09T16:04:47Z

On Fri, 9 Aug 2002, Daniel Phillips wrote:
>
> This reference describes roughly what I had in mind for active
> defragmentation, which depends on reverse mapping.

Note that even active defrag won't be able to handle the case where you
want have lots of big pages, consituting a large percentage of available
memory.

Not unless you think I am crazy enough to do garbage collection on kernel
data structures (repeat after me: "garbage collection is stupid, slow, bad
for caches, and only for people who cannot count").

Also, I think the jury (ie Andrew) is still out on whether rmap is worth
it.

Linus