Re: anon_vma RFC2

[Linus Torvalds]

On Sat, 13 Mar 2004, William Lee Irwin III wrote:
> 
> find_vma() is often necessary to determine whether the page is mlock()'d.
> In schemes where mm's that may not map the page appear in searches, it
> may also be necessary to determine if there's even a vma covering the
> area at all or otherwise a normal vma, since pagetables outside normal
> vmas may very well not be understood by the core (e.g. hugetlb).

Both excellent points. I guess we'll need the extra few cache misses. 
Dang.

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