On Thu, Apr 17, 2008 at 12:10:52PM -0700, Christoph Lameter wrote: > EMM was/is using a single linked list which allows atomic updates. Looked > cleaner to me since doubly linked list must update two pointers.
Cleaner would be if it would provide an abstraction in list.h. The important is the memory taken by the head for this usage. > I have not seen docs on the locking so not sure why you use rcu > operations here? Isnt the requirement to have either rmap locks or > mmap_sem held enough to guarantee the consistency of the doubly linked list? Yes, exactly, I'm not using rcu anymore. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel