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| author | Jiri Kosina <jkosina@suse.cz> | 2017-09-05 11:07:05 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-09-05 11:07:05 +0200 |
| commit | b11918bdbe79bd002d00a9f1d78958167ccfad99 (patch) | |
| tree | 931c5680a242041f49b07b20823012ae9bdb98c2 /include/linux/page_ref.h | |
| parent | d3c7ad2432115b0b53fb838c14b8ad9ad72f7254 (diff) | |
| parent | 0152b29c89650654abf4f0e96bbf2566b85ae55d (diff) | |
Merge branch 'for-4.14/battery' into for-linus
- support for batteries driven by HID input reports, from Dmitry Torokhov
Diffstat (limited to 'include/linux/page_ref.h')
| -rw-r--r-- | include/linux/page_ref.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h index 610e13271918..1fd71733aa68 100644 --- a/include/linux/page_ref.h +++ b/include/linux/page_ref.h @@ -174,6 +174,7 @@ 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); if (page_ref_tracepoint_active(__tracepoint_page_ref_unfreeze)) __page_ref_unfreeze(page, count); |