From: John Hubbard jhubbard@nvidia.com
For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages().
This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions").
Cc: Andrea Arcangeli aarcange@redhat.com Cc: Anshuman Khandual anshuman.khandual@arm.com Cc: David Rientjes rientjes@google.com Cc: Dominik Brodowski linux@dominikbrodowski.net Cc: Kirill A. Shutemov kirill.shutemov@linux.intel.com Cc: Michal Hocko mhocko@suse.com Cc: Vlastimil Babka vbabka@suse.cz Cc: zhong jiang zhongjiang@huawei.com Signed-off-by: John Hubbard jhubbard@nvidia.com --- mm/mempolicy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index f48693f75b37..76a8e935e2e6 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -832,7 +832,7 @@ static int lookup_node(struct mm_struct *mm, unsigned long addr) err = get_user_pages_locked(addr & PAGE_MASK, 1, 0, &p, &locked); if (err >= 0) { err = page_to_nid(p); - put_page(p); + put_user_page(p); } if (locked) up_read(&mm->mmap_sem);