diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2024-06-12 15:18:33 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-03 19:30:11 -0700 |
| commit | b71340ef56a4cd5a5ed7f61a5c268ee346ff0640 (patch) | |
| tree | 706554c95d94933f2079ae5cd919129f2f2beada /mm/memory-failure.c | |
| parent | 3a78f77fd1fb82c32cb7971a8a97c5cbc83ab69e (diff) | |
mm/memory-failure: fix comment of get_hwpoison_page()
When return value is 0, it could also means the page is free hugetlb page
or free buddy page. Fix the corresponding comment.
Link: https://lkml.kernel.org/r/20240612071835.157004-12-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: kernel test robot <lkp@intel.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index bb8e79381c1f..475524f79550 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1525,7 +1525,7 @@ static int __get_unpoison_page(struct page *page) * the given page has PG_hwpoison. So it's never reused for other page * allocations, and __get_unpoison_page() never races with them. * - * Return: 0 on failure, + * Return: 0 on failure or free buddy (hugetlb) page, * 1 on success for in-use pages in a well-defined state, * -EIO for pages on which we can not handle memory errors, * -EBUSY when get_hwpoison_page() has raced with page lifecycle |