From: Alexandre Ghiti <alex@xxxxxxxx> Date: Wed, 6 Mar 2019 14:00:05 -0500 > On systems without CONTIG_ALLOC activated but that support gigantic pages, > boottime reserved gigantic pages can not be freed at all. This patch > simply enables the possibility to hand back those pages to memory > allocator. > > Signed-off-by: Alexandre Ghiti <alex@xxxxxxxx> For sparc: Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>