From: David Gibson Date: Fri, 17 Mar 2017 01:11:19 +0000 (+1100) Subject: powerpc/pseries: Don't give a warning when HPT resizing isn't available X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7339390d772ddee0447886d72c3aebc3b58d9583;p=linux.git powerpc/pseries: Don't give a warning when HPT resizing isn't available As of 438cc81a41 "powerpc/pseries: Automatically resize HPT for memory hot add/remove" when running on the pseries platform, we always attempt to use the PAPR extension to resize the hashed page table (HPT) when we add or remove memory. This is fine, but when the extension is available we'll give a harmless, but scary warning. This patch suppresses the warning in this case. It will still warn if the feature is supposed to be available, but didn't work. Signed-off-by: David Gibson Signed-off-by: Michael Ellerman --- diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index d97be8d207152..7d07c7e17db67 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -774,7 +774,7 @@ void resize_hpt_for_hotplug(unsigned long new_mem_size) int rc; rc = mmu_hash_ops.resize_hpt(target_hpt_shift); - if (rc) + if (rc && (rc != -ENODEV)) printk(KERN_WARNING "Unable to resize hash page table to target order %d: %d\n", target_hpt_shift, rc);