Merge branch 'akpm' (incoming from Andrew)

Merge patches from Andrew Morton:
 "23 fixes and a MAINTAINERS update"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (24 commits)
  mm/hugetlb: check for pte NULL pointer in __page_check_address()
  fix build with make 3.80
  mm/mempolicy: fix !vma in new_vma_page()
  MAINTAINERS: add Davidlohr as GPT maintainer
  mm/memory-failure.c: recheck PageHuge() after hugetlb page migrate successfully
  mm/compaction: respect ignore_skip_hint in update_pageblock_skip
  mm/mempolicy: correct putback method for isolate pages if failed
  mm: add missing dependency in Kconfig
  sh: always link in helper functions extracted from libgcc
  mm: page_alloc: exclude unreclaimable allocations from zone fairness policy
  mm: numa: defer TLB flush for THP migration as long as possible
  mm: numa: guarantee that tlb_flush_pending updates are visible before page table updates
  mm: fix TLB flush race between migration, and change_protection_range
  mm: numa: avoid unnecessary disruption of NUMA hinting during migration
  mm: numa: clear numa hinting information on mprotect
  sched: numa: skip inaccessible VMAs
  mm: numa: avoid unnecessary work on the failure path
  mm: numa: ensure anon_vma is locked to prevent parallel THP splits
  mm: numa: do not clear PTE for pte_numa update
  mm: numa: do not clear PMD during PTE update scan
  ...

1 files changed, 4 insertions, 0 deletions

diff --git a/mm/compaction.c b/mm/compaction.c
index 805165bcd3dd..f58bcd016f43 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -134,6 +134,10 @@ static void update_pageblock_skip(struct compact_control *cc,
 			bool migrate_scanner)
 {
 	struct zone *zone = cc->zone;
+
+	if (cc->ignore_skip_hint)
+		return;
+
 	if (!page)
 		return;