On Sat, 2016-01-10 at 10:41:56 UTC, Anton Blanchard wrote: > From: Anton Blanchard <an...@samba.org> > > An hcall was recently added that does exactly what we need > during kexec - it clears the entire MMU hash table, ignoring any > VRMA mappings. > > Try it and fall back to the old method if we get a failure. > > On a POWER8 box with 5TB of memory, this reduces the time it takes to > kexec a new kernel from from 4 minutes to 1 minute. > > Signed-off-by: Anton Blanchard <an...@samba.org>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/5246adec59458b5d325b8e1462ea9e cheers
