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| author | Zhi Wang <zhi.a.wang@intel.com> | 2018-05-14 05:19:07 +0800 |
|---|---|---|
| committer | Zhi Wang <zhi.a.wang@intel.com> | 2018-05-14 05:22:01 +0800 |
| commit | bba9525520b6028ecbe7486e13216e9ede8636be (patch) | |
| tree | f82f4f2adecf6f97933c88050682d44336db783e /include/linux/page_ref.h | |
| parent | cb8ba171ae6c1e4f5fa027162c06d50fc2b43055 (diff) | |
| parent | 0c79f9cb77eae28d48a4f9fc1b3341aacbbd260c (diff) | |
Merge branch 'drm-intel-next-queued' into gvt-next
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Diffstat (limited to 'include/linux/page_ref.h')
| -rw-r--r-- | include/linux/page_ref.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h index 760d74a0e9a9..14d14beb1f7f 100644 --- a/include/linux/page_ref.h +++ b/include/linux/page_ref.h @@ -175,8 +175,7 @@ static inline void page_ref_unfreeze(struct page *page, int count) VM_BUG_ON_PAGE(page_count(page) != 0, page); VM_BUG_ON(count == 0); - smp_mb(); - atomic_set(&page->_refcount, count); + atomic_set_release(&page->_refcount, count); if (page_ref_tracepoint_active(__tracepoint_page_ref_unfreeze)) __page_ref_unfreeze(page, count); } |