Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "11 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  scripts/spdxcheck.py: always open files in binary mode
  checkstack.pl: fix for aarch64
  userfaultfd: check VM_MAYWRITE was set after verifying the uffd is registered
  fs/iomap.c: get/put the page in iomap_page_create/release()
  hugetlbfs: call VM_BUG_ON_PAGE earlier in free_huge_page()
  memblock: annotate memblock_is_reserved() with __init_memblock
  psi: fix reference to kernel commandline enable
  arch/sh/include/asm/io.h: provide prototypes for PCI I/O mapping in asm/io.h
  mm/sparse: add common helper to mark all memblocks present
  mm: introduce common STRUCT_PAGE_MAX_SHIFT define
  alpha: fix hang caused by the bootmem removal

1 files changed, 3 insertions, 2 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 705a3e9cc910..a80832487981 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1248,10 +1248,11 @@ void free_huge_page(struct page *page)
                 (struct hugepage_subpool *)page_private(page);
         bool restore_reserve;
 
-        set_page_private(page, 0);
-        page->mapping = NULL;
         VM_BUG_ON_PAGE(page_count(page), page);
         VM_BUG_ON_PAGE(page_mapcount(page), page);
+
+        set_page_private(page, 0);
+        page->mapping = NULL;
         restore_reserve = PagePrivate(page);
         ClearPagePrivate(page);