LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: David Hildenbrand <david@redhat.com>
To: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org,
	David Hildenbrand <david@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.com>, Vlastimil Babka <vbabka@suse.cz>,
	Dan Williams <dan.j.williams@intel.com>,
	Reza Arbab <arbab@linux.vnet.ibm.com>,
	Pavel Tatashin <pasha.tatashin@oracle.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH RCFv2 5/7] mm/memory_hotplug: print only with DEBUG_VM in offline_pages()
Date: Mon, 30 Apr 2018 11:42:34 +0200	[thread overview]
Message-ID: <20180430094236.29056-6-david@redhat.com> (raw)
In-Reply-To: <20180430094236.29056-1-david@redhat.com>

Let's try to minimze the noise.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 mm/memory_hotplug.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 4c7e0efff079..d8f127754c2e 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1685,7 +1685,9 @@ static int __ref __offline_pages(unsigned long start_pfn,
 	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);
@@ -1720,9 +1722,11 @@ static int __ref __offline_pages(unsigned long start_pfn,
 	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);
-- 
2.14.3

  parent reply	other threads:[~2018-04-30  9:42 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-30  9:42 [PATCH RCFv2 0/7] mm: online/offline 4MB chunks controlled by device driver David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 1/7] mm: introduce and use PageOffline() David Hildenbrand
2018-04-30 14:35   ` Pavel Tatashin
2018-04-30 15:17     ` David Hildenbrand
2018-04-30 15:49       ` David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 2/7] kdump: include PAGE_OFFLINE_MAPCOUNT_VALUE in ELF info David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 3/7] mm/memory_hotplug: limit offline_pages() to sizes we can actually handle David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 4/7] mm/memory_hotplug: allow to control onlining/offlining of memory by a driver David Hildenbrand
2018-04-30  9:42 ` David Hildenbrand [this message]
2018-04-30  9:42 ` [PATCH RCFv2 6/7] mm/memory_hotplug: teach offline_pages() to not try forever David Hildenbrand
2018-04-30  9:42 ` [PATCH RCFv2 7/7] mm/memory_hotplug: allow online/offline memory by a kernel module David Hildenbrand
2018-05-09 14:14 ` [PATCH RCFv2 0/7] mm: online/offline 4MB chunks controlled by device driver David Hildenbrand

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180430094236.29056-6-david@redhat.com \
    --to=david@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=arbab@linux.vnet.ibm.com \
    --cc=dan.j.williams@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mhocko@suse.com \
    --cc=pasha.tatashin@oracle.com \
    --cc=tglx@linutronix.de \
    --cc=vbabka@suse.cz \
    --subject='Re: [PATCH RCFv2 5/7] mm/memory_hotplug: print only with DEBUG_VM in offline_pages()' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).