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Subject[PATCH 2/2] mm/page_poison: use unhashed address in hexdump for check_poison_mem()
Date
Now that print_hex_dump() is capable of printing unhashed addresses,
use that feature in the code that reports memory errors. Hashed
addresses don't tell you where the corrupted page actually is.

Signed-off-by: Timur Tabi <timur@kernel.org>
---
mm/page_poison.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_poison.c b/mm/page_poison.c
index 65cdf844c8ad..4902f3261ee4 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -67,7 +67,7 @@ static void check_poison_mem(unsigned char *mem, size_t bytes)
else
pr_err("pagealloc: memory corruption\n");

- print_hex_dump(KERN_ERR, "", DUMP_PREFIX_ADDRESS, 16, 1, start,
+ print_hex_dump(KERN_ERR, "", DUMP_PREFIX_UNHASHED, 16, 1, start,
end - start + 1, 1);
dump_stack();
}
--
2.25.1
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