On Sun, 2007-06-17 at 19:08 -0700, Christoph Lameter wrote: > On Sun, 17 Jun 2007, Matt Mackall wrote: > > > Is it? Last I looked it had reverted to handing out reverse-contiguous > > pages. > > I thought that was fixed? Bill Irwin was working on it. > > But the contiguous pages usually only work shortly after boot. After > awhile memory gets sufficiently scrambled that the coalescing in the I/O > layer becomes ineffective.
the buddy allocator at least defragments itself somewhat (granted, it's not perfect and the per cpu page queues spoil the game too...) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - 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/
