On 01/10/2011 12:44 PM, Greg KH wrote: > On Mon, Jan 10, 2011 at 12:08:56PM -0600, Nathan Fontenot wrote: >> This is a re-send of the remaining patches that did not make it >> into the last kernel release for de-coupling sysfs memory >> directories from memory sections. The first three patches of the >> previous set went in, and this is the remaining patches that >> need to be applied. > > Well, it's a bit late right now, as we are merging stuff that is already > in our trees, and we are busy with that, so this is likely to be ignored > until after .38-rc1 is out. > > So, care to resend this after .38-rc1 is out so people can pay attention > to it? I was afraid of this. I didn't get a chance to get it out sooner but thought I would send it out anyway. > > >> The root of this issue is in sysfs directory creation. Every time >> a directory is created a string compare is done against all sibling >> directories to ensure we do not create duplicates. The list of >> directory nodes in sysfs is kept as an unsorted list which results >> in this being an exponentially longer operation as the number of >> directories are created. > > Are you sure this is still an issue? I thought we solved this last > kernel or so with a simple patch? I'll go back and look at this again. thanks, -Nathan -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>