From: Michal Hocko <mhocko@kernel.org>
To: Anshuman Khandual <anshuman.khandual@arm.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, Oscar Salvador <OSalvador@suse.com>,
Baoquan He <bhe@redhat.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 5/5] mm, memory_hotplug: be more verbose for memory offline failures
Date: Tue, 13 Nov 2018 09:03:54 +0100 [thread overview]
Message-ID: <20181113080354.GJ15120@dhcp22.suse.cz> (raw)
In-Reply-To: <20181108081231.GN27423@dhcp22.suse.cz>
Andrew, could you pick up this one as well please? Let me know if you
prefer me to send the whole pile with all the fixes again.
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index bf214beccda3..820397e18e59 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -1411,9 +1411,9 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
> MIGRATE_SYNC, MR_MEMORY_HOTPLUG);
> if (ret) {
> list_for_each_entry(page, &source, lru) {
> - pr_warn("migrating pfn %lx failed ",
> + pr_warn("migrating pfn %lx failed ret:%d ",
> page_to_pfn(page), ret);
> - dump_page(page, NULL);
> + dump_page(page, "migration failure");
> }
> putback_movable_pages(&source);
> }
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 23267767bf98..ec2c7916dc2d 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -7845,7 +7845,7 @@ bool has_unmovable_pages(struct zone *zone, struct page *page, int count,
> return false;
> unmovable:
> WARN_ON_ONCE(zone_idx(zone) == ZONE_MOVABLE);
> - dump_page(pfn_to_page(pfn+iter), "has_unmovable_pages");
> + dump_page(pfn_to_page(pfn+iter), "unmovable page");
> return true;
> }
>
> --
> Michal Hocko
> SUSE Labs
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2018-11-13 8:03 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-07 10:18 [RFC PATCH 0/5] mm, memory_hotplug: improve memory offlining failures debugging Michal Hocko
2018-11-07 10:18 ` [RFC PATCH 1/5] mm: print more information about mapping in __dump_page Michal Hocko
2018-11-24 0:04 ` Andrew Morton
2018-11-25 8:10 ` Michal Hocko
2018-11-07 10:18 ` [RFC PATCH 2/5] mm: lower the printk loglevel for __dump_page messages Michal Hocko
2018-11-16 0:56 ` Baoquan He
2018-12-12 14:25 ` Michal Hocko
2018-12-12 14:34 ` Michal Hocko
2018-11-07 10:18 ` [RFC PATCH 3/5] mm, memory_hotplug: drop pointless block alignment checks from __offline_pages Michal Hocko
2018-11-07 10:18 ` [RFC PATCH 4/5] mm, memory_hotplug: print reason for the offlining failure Michal Hocko
2018-11-07 22:04 ` Andrew Morton
2018-11-08 8:01 ` Michal Hocko
2018-11-13 8:02 ` Michal Hocko
2018-11-08 6:23 ` Anshuman Khandual
2018-11-08 7:59 ` Michal Hocko
2018-11-07 10:18 ` [RFC PATCH 5/5] mm, memory_hotplug: be more verbose for memory offline failures Michal Hocko
2018-11-08 7:16 ` Anshuman Khandual
2018-11-08 8:12 ` Michal Hocko
2018-11-08 8:19 ` Anshuman Khandual
2018-11-13 8:03 ` Michal Hocko [this message]
2018-11-16 0:07 ` Andrew Morton
2018-11-16 7:21 ` Michal Hocko
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