[lkml]   [2007]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC 1/2] JBD: slab management support for large block(>8k)
On Mon, Sep 03, 2007 at 12:55:04AM -0700, Christoph Lameter wrote:
> On Sun, 2 Sep 2007, Christoph Hellwig wrote:
> > > We are doing what you describe right now. So the current code is broken?
> > Yes.
> 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.
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

 \ /
  Last update: 2007-09-03 15:43    [W:0.113 / U:2.848 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site