On 27/08/2012 07:19, Peter Zijlstra wrote: > On Sun, 2012-08-26 at 13:11 +0300, Haggai Eran wrote: >> The conversion of the locks taken for reverse map scanning would >> require taking sleeping locks in free_pgtables() and we cannot sleep >> while gathering pages for a tlb flush. > We can. > After further reading I tend to agree. We can drop this patch and patch number 3 then and focus on the first patch in this set. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>