On Mon, Mar 21, 2022 at 10:21:27AM -0400, Zi Yan wrote: > From: Zi Yan <ziy@xxxxxxxxxx> > > To minimize the number of pages after a huge page truncation, we do not > need to split it all the way down to order-0. The huge page has at most > three parts, the part before offset, the part to be truncated, the part > remaining at the end. Find the greatest common power of two multiplier of > the non-zero values of them as the new order, so we can split the huge > page to this order and keep the remaining pages as large and as few as > possible. Would you mind please to describe the algorithm in more details? Thanks!
