On (26/04/07 20:39), Jens Axboe didst pronounce: > On Thu, Apr 26 2007, Christoph Lameter wrote: > > On Thu, 26 Apr 2007, Jens Axboe wrote: > > > > > On Thu, Apr 26 2007, Christoph Lameter wrote: > > > > On Thu, 26 Apr 2007, Jens Axboe wrote: > > > > > > > > > The above can be implemented fairly cleanly, and on a need-to-have > > > > > basis. It's not something that'll break drivers. > > > > > > > > But its also not going to fix the hacks that we have in the kernel > > > > to deal with > PAGE_SIZE i/o. > > > > > > No, but that's a _seperate_ issue! Don't keep mixing up the two. > > > > Yes I understand that you want it to be a separate issue so we get get > > more rationales for the hacks that we do to avoid the large > > order allocations. > > Christoph, don't take your frustrations out on me. I've several times in > this thread said that I'd LIKE to have > PAGE_SIZE support in the page > cache. I WROTE the initial pktcdvd driver that is a primary example of > these hacks, I'm very well aware of the pain and bugs involved with > that. > > But don't push large pages as the only solution to larger ios, because > that is trivially not true. >
Would it be fair to say that your approach and using large pages are not mutually exclusive solutions? It seems a lot of the debate here is assuming there is One And Only One Solution for larger ios. -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
