Re: Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?]

From: Daniel Phillips (
Date: Tue Apr 30 2002 - 21:02:33 EST

On Thursday 02 May 2002 03:45, William Lee Irwin III wrote:
> On Wed, May 01, 2002 at 03:35:20AM +0200, Daniel Phillips wrote:
> > to use a hash table instead of a table lookup. Bill Irwin suggested a btree
> > would work here as well.
> I remember suggesting a sorted array of extents on which binary
> search could be performed. A B-tree seems unlikely but perhaps if
> it were contiguously allocated and some other tricks done it might
> do, maybe I don't remember the special sauce used for the occasion.

Thanks for the correction. When you said 'extents' I automatically thought
'btree of extents'. I'd tend to go for the hash table anyway - your binary
search is going to take quite a few more steps to terminate than the bucket
search, given some reasonable choice of hash table size.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Tue May 07 2002 - 22:00:12 EST