| Message ID | 20220218092052.3853-1-linmiaohe@huawei.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mm/hwpoison-inject: support injecting hwpoison to free page | expand |
diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c index aff4d27ec235..f74552977649 100644 --- a/mm/hwpoison-inject.c +++ b/mm/hwpoison-inject.c @@ -32,9 +32,9 @@ static int hwpoison_inject(void *data, u64 val) shake_page(hpage); /* - * This implies unable to support non-LRU pages. + * This implies unable to support non-LRU pages except free page. */ - if (!PageLRU(hpage) && !PageHuge(p)) + if (!PageLRU(hpage) && !PageHuge(p) && !is_free_buddy_page(p)) return 0; /*
memory_failure() can handle free buddy page. Support injecting hwpoison to free page by adding is_free_buddy_page check when hwpoison filter is disabled. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- mm/hwpoison-inject.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)