Re: [RFC 1/2] JBD: slab management support for large block(>8k)

Christoph Lameter
2007-09-03T19:32:28Z

On Mon, 3 Sep 2007, Christoph Hellwig wrote:

> > How about getting rid of the slabs there and use kmalloc? Kmalloc in mm
> > (and therfore hopefully 2.6.24) will convert kmallocs > PAGE_SIZE to page
> > allocator calls. Not sure what to do about the 1k and 2k requests though.
>
> The problem is that we must never use kmalloc pages, so we always need
> to request a page or more for these. Better to use get_free_page directly,
> that's how I fixed it in XFS a while ago.

So you'd be fine with replacing the allocs with

get_free_pages(GFP_xxx, get_order(size)) ?