30/04/2018 14:50, Bruce Richardson: > On Mon, Apr 30, 2018 at 12:21:43PM +0100, Anatoly Burakov wrote: > > When we ask to reserve virtual areas, we usually include > > alignment in the mapping size, and that memory ends up > > being wasted. Wasting a gigabyte of VA space while trying to > > reserve one gigabyte is pretty expensive on 32-bit, so after > > we're done mapping, unmap unneeded space. > > > > Signed-off-by: Anatoly Burakov <anatoly.bura...@intel.com> > > --- > > > > Notes: > > v2: > > - Split fix for size_t overflow into separate patch > > - Improve readability of unmapping code > > - Added comment explaining why unmapping is done > > > Acked-by: Bruce Richardson <bruce.richard...@intel.com>
I am not confident pushing this change post-rc1. Please can we have more validation tests with this patch?
