On Fri, 13 Apr 2007 15:54:33 -0700 William Lee Irwin III <[EMAIL PROTECTED]> wrote:
> On Fri, Apr 13, 2007 at 03:46:53PM -0700, Andrew Morton wrote: > > It's just weird - it exploits internal knowledge of VFS behaviour, diddles > > with pagecache within a fake disk strategy handler, etc. > > Furthermore, because it pretends to be a block device, the VFS will not use > > highmem pages when accessing the ramdisk. So the 8GB machine will go splat > > with only 800MB of ramdisk. > > ramfs is much cleaner and does not have that limitation. > > After all this time, bdevs are still lowmem etc. Crying shame. One would need to hunt down every use of b_data in filesystems and switch them to kmap the page. Possibly it could be done on a per-fs basis. - 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/
