mm: page_isolation: handle unaccepted memory isolation

Page isolation machinery doesn't know anything about unaccepted memory and
considers it non-free.  It leads to alloc_contig_pages() failure.

Treat unaccepted memory as free and accept memory on pageblock isolation. 
Once memory is accepted it becomes PageBuddy() and page isolation knows
how to deal with them.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Kirill A.  Shutemov <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Mike Rapoport (Microsoft) <[email protected]>
Cc: Tom Lendacky <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions