Messages in this thread Patch in this message | | | From | john.hubbard@gmail ... | Subject | [PATCH 2/3] mm/mempolicy.c: convert put_page() to put_user_page*() | Date | Mon, 5 Aug 2019 15:20:18 -0700 |
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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); -- 2.22.0
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