diff options
| author | Naoya Horiguchi <naoya.horiguchi@nec.com> | 2022-10-24 08:20:10 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-09 02:37:22 +0100 |
| commit | d027122d8363e58cd8bc2fa6a16917f7f69b85bb (patch) | |
| tree | 9f353b5c69f21382737b7a4c840ef48834b4f717 /mm/memory-failure.c | |
| parent | mm,hwpoison,hugetlb,memory_hotplug: hotremove memory section with hwpoisoned ... (diff) | |
| download | linux-d027122d8363e58cd8bc2fa6a16917f7f69b85bb.tar.xz linux-d027122d8363e58cd8bc2fa6a16917f7f69b85bb.zip | |
mm/hwpoison: move definitions of num_poisoned_pages_* to memory-failure.c
These interfaces will be used by drivers/base/memory.c by later patch, so
as a preparatory work move them to more common header file visible to the
file.
Link: https://lkml.kernel.org/r/20221024062012.1520887-3-naoya.horiguchi@linux.dev
Signed-off-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jane Chu <jane.chu@oracle.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 4fff0b36c61d..44d7bf6ff214 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -74,6 +74,16 @@ atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0); static bool hw_memory_failure __read_mostly = false; +inline void num_poisoned_pages_inc(void) +{ + atomic_long_inc(&num_poisoned_pages); +} + +static inline void num_poisoned_pages_sub(long i) +{ + atomic_long_sub(i, &num_poisoned_pages); +} + /* * Return values: * 1: the page is dissolved (if needed) and taken off from buddy, |