On Fri, 15 May 2015, Leonid Yegoshin wrote: > > Many processors support larger VA space than is utilized by the kernel. > > A choice was made to reduce the size of the VA space in order to > > reduce TLB handling overhead. > > > > If the true reason for the patch is to enable larger VA space, say that. > > But is it really required by those processors you mention? I doubt it. > > Well, I was not aware about many processors capability, I can't find this kind > of note anywhere. The R10000 and friends all have a 44-bit virtual address space, so this is no news to Linux. This is noted in <asm/processor.h> right above the change you made there. Maciej
