lkml.org 
[lkml]   [2008]   [Dec]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [bug?] bio: add experimental support for inlining a number of bio_vecs inside the bio
On Wed, Dec 10 2008, Andrew Morton wrote:
> On Wed, 10 Dec 2008 13:12:38 +0100
> Jens Axboe <jens.axboe@oracle.com> wrote:
>
> > > experimental??
> >
> > Experimental in the sense that it's the first version, not the concept.
> > It's held up well for me, but just yesterday I received the first bug
> > report on a ppc platform and now you have this on ia64.
>
>
> Well there's another bug report up-list. "next-20081209: pdflush: page
> allocation failure (xfs)".
>
> The clearing of (__GFP_WAIT | __GFP_IO) will call the page allocator in the
> weakest possible mode and will of course spew page allocations warnings
> with great frequency. It should at least add in __GFP_NOWARN.

OK, that must be for the change titled

"bio: only mempool back the largest bio_vec slab cache"

and yes, that does look like it wants a bit more gfp loving, probably
the same as mempool_alloc() would use anyway. I'll get that fixed.

--
Jens Axboe



\
 
 \ /
  Last update: 2008-12-11 08:35    [W:0.052 / U:1.952 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site