| From | Miaohe Lin <> | Subject | [PATCH 05/15] mm/swap: print bad swap offset entry in get_swap_device | Date | Mon, 9 May 2022 21:14:06 +0800 |
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If offset exceeds the si->max, print bad swap offset entry to help debug the unexpected case.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- mm/swapfile.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/mm/swapfile.c b/mm/swapfile.c index 0aee6286d6a7..d4b81ca887c0 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1272,6 +1272,7 @@ struct swap_info_struct *get_swap_device(swp_entry_t entry) out: return NULL; put_out: + pr_err("%s: %s%08lx\n", __func__, Bad_offset, entry.val); percpu_ref_put(&si->users); return NULL; } -- 2.23.0
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