This patchset has a fixup for gup/mm, and provides the necessary arch hooks to enable protected virtualization. Andrew: please simply squash/fixup the first patch into the appropriate one that is already in your tree. v3-> v4: * changed WARN_ON into VM_BUG_ON_PAGE as per review, * and small improvement of the associated comment v2 -> v3: * revert some cosmetic changes to improve readability * improve some comments v1 -> v2: * use put_compound_head in the first patch * fix commit message of the second patch * minor code cleanups * some comments to explain why sometimes we are not doing things Claudio Imbrenda (2): mm/gup: fixup for 9947ea2c1e608e32 "mm/gup: track FOLL_PIN pages" mm/gup/writeback: add callbacks for inaccessible pages include/linux/gfp.h | 6 ++++ mm/gup.c | 76 +++++++++++++++++++++++++++++---------------- mm/page-writeback.c | 9 +++++- 3 files changed, 64 insertions(+), 27 deletions(-) -- 2.24.1
