On Wednesday, December 8, 2010, Michel Lespinasse <walken@xxxxxxxxxx> wrote: > > Yes, patch 1/6 changes the long hold time to be in read mode instead > of write mode, which is only a band-aid. But, this prepares for patch > 5/6, which releases mmap_sem whenever there is contention on it or > when blocking on disk reads. I have to say that I'm not a huge fan of that horribly kludgy contention check case. The "move page-in to read-locked sequence" and the changes to get_user_pages look fine, but the contention thing is just disgusting. I'd really like to see some other approach if at all possible. -- 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>