[PATCH v1 5/5] mm/memory_hotplug: print only with DEBUG_VM in online/offline_pages()

From: David Hildenbrand <david@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.com>, Vlastimil Babka <vbabka@suse.cz>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	Pavel Tatashin <pasha.tatashin@oracle.com>,
	Kemi Wang <kemi.wang@intel.com>,
	David Rientjes <rientjes@google.com>,
	Jia He <jia.he@hxt-semitech.com>,
	Oscar Salvador <osalvador@suse.de>,
	Petr Tesarik <ptesarik@suse.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Dan Williams <dan.j.williams@intel.com>,
	David Hildenbrand <david@redhat.com>,
	Mathieu Malaterre <malat@debian.org>, Baoquan He <bhe@redhat.com>,
	Wei Yang <richard.weiyang@gmail.com>,
	Ross Zwisler <zwisler@kernel.org>,
	"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCH v1 5/5] mm/memory_hotplug: print only with DEBUG_VM in online/offline_pages()
Date: Thu, 16 Aug 2018 12:06:28 +0200	[thread overview]
Message-ID: <20180816100628.26428-6-david@redhat.com> (raw)
In-Reply-To: <20180816100628.26428-1-david@redhat.com>

Let's try to minimze the noise.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 mm/memory_hotplug.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index bbbd16f9d877..6fec2dc6a73d 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -966,9 +966,11 @@ int __ref online_pages(unsigned long pfn, unsigned long nr_pages, int online_typ
 	return 0;
 
 failed_addition:
+#ifdef CONFIG_DEBUG_VM
 	pr_debug("online_pages [mem %#010llx-%#010llx] failed\n",
 		 (unsigned long long) pfn << PAGE_SHIFT,
 		 (((unsigned long long) pfn + nr_pages) << PAGE_SHIFT) - 1);
+#endif
 	memory_notify(MEM_CANCEL_ONLINE, &arg);
 	return ret;
 }
@@ -1660,7 +1662,9 @@ int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
 	offlined_pages = check_pages_isolated(start_pfn, end_pfn);
 	if (offlined_pages < 0)
 		goto repeat;
+#ifdef CONFIG_DEBUG_VM
 	pr_info("Offlined Pages %ld\n", offlined_pages);
+#endif
 	/* Ok, all of our target is isolated.
 	   We cannot do rollback at this point. */
 	offline_isolated_pages(start_pfn, end_pfn);
@@ -1695,9 +1699,11 @@ int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
 	return 0;
 
 failed_removal:
+#ifdef CONFIG_DEBUG_VM
 	pr_debug("memory offlining [mem %#010llx-%#010llx] failed\n",
 		 (unsigned long long) start_pfn << PAGE_SHIFT,
 		 ((unsigned long long) end_pfn << PAGE_SHIFT) - 1);
+#endif
 	memory_notify(MEM_CANCEL_OFFLINE, &arg);
 	/* pushback to free area */
 	undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);
-- 
2.17.1

