On 28/03/2017 18:58, Kirill A. Shutemov wrote: > On Tue, Mar 28, 2017 at 09:39:18AM -0700, Davidlohr Bueso wrote: >> I'll wait to see if there are any more concerns and send a v2 with your >> corrections. > > Have you tried drop-in replacement of mmap_sem with full range lock? > It would be interesting to see performance implication for this. >
I've a patch that replace the mmap_sem with a full range lock, it seems to work fine for x86 and ppc64 for now. I'll send it soon. But I didn't yet check for performance. What is the best way to that ?
