diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2018-08-22 07:04:45 +0000 |
|---|---|---|
| committer | Johannes Weiner <hannes@cmpxchg.org> | 2018-08-22 07:04:45 +0000 |
| commit | b733766aca145da48b44f1bd0160366e633b947d (patch) | |
| tree | 4f3e1b1800bc8d804736b6dfc8b8acbd7020b9ce /mm | |
| parent | 26e74bbdab5babde49360a01fc950105d2590f62 (diff) | |
mm-soft-offline-close-the-race-against-page-allocation-fix
tweak set_hwpoison_free_buddy_page() comment
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Xishi Qiu <xishi.qiuxishi@alibaba-inc.com>
Cc: <zy.zhengyi@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index fea8e9187eed..92b6f47e4511 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8102,8 +8102,9 @@ bool is_free_buddy_page(struct page *page) #ifdef CONFIG_MEMORY_FAILURE /* - * Set PG_hwpoison flag if a given page is confirmed to be a free page - * within zone lock, which prevents the race against page allocation. + * Set PG_hwpoison flag if a given page is confirmed to be a free page. This + * test is performed under the zone lock to prevent a race against page + * allocation. */ bool set_hwpoison_free_buddy_page(struct page *page) { |