Re: [patch 2/2] xfs: use scalable vmap API

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Mon, Jan 25, 2010 at 06:54:45PM +1100, Nick Piggin wrote:
> Is this on a 32-bit system with small vmalloc area?

Yes.

> When the vmap allocation fails, it would be good to basically see the
> alloc_map and dirty_map for each of the vmap_blocks. This is going to be
> a lot of information. Basically for all blocks with
> free+dirty == VMAP_BBMAP_BITS are ones that could be released and you
> could try the alloc again.

Any easy way to get them?  Sorry, not uptodate on your new vmalloc
implementation anymore.