linux-kernel - [PATCH] powerpc/mm: move a KERN_WARNING message to KERN

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Date:   Tue,  5 Feb 2019 19:03:29 +0100
From:   Laurent Vivier <lvivier@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org,
        David Gibson <david@...son.dropbear.id.au>
Subject: [PATCH] powerpc/mm: move a KERN_WARNING message to KERN_DEBUG

resize_hpt_for_hotplug() reports a warning when it cannot
increase the hash page table ("Unable to resize hash page
table to target order") but this is not blocking and
can make user thinks something has not worked properly.

If the operation cannot be done the real error message
will be reported by arch_add_memory() if create_section_mapping()
fails.

Signed-off-by: Laurent Vivier <lvivier@...hat.com>
---
 arch/powerpc/mm/hash_utils_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 0cc7fbc3bd1c..b762bdceb510 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -778,7 +778,7 @@ void resize_hpt_for_hotplug(unsigned long new_mem_size)
 
 		rc = mmu_hash_ops.resize_hpt(target_hpt_shift);
 		if (rc && (rc != -ENODEV))
-			printk(KERN_WARNING
+			printk(KERN_DEBUG
 			       "Unable to resize hash page table to target order %d: %d\n",
 			       target_hpt_shift, rc);
 	}
-- 
2.20.1