From: Vlastimil Babka <vbabka@suse.cz>
To: Michal Hocko <mhocko@kernel.org>, Christopher Lameter <cl@linux.com>
Cc: Sachin Sant <sachinp@linux.vnet.ibm.com>,
Pekka Enberg <penberg@kernel.org>,
Kirill Tkhai <ktkhai@virtuozzo.com>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [5.6.0-rc2-next-20200218/powerpc] Boot failure on POWER9
Date: Wed, 26 Feb 2020 23:29:24 +0100 [thread overview]
Message-ID: <dd450314-d428-6776-af07-f92c04c7b967@suse.cz> (raw)
In-Reply-To: <c412ee69-80f9-b013-67d4-3b0a2f6aff7f@suse.cz>
On 2/26/20 10:45 PM, Vlastimil Babka wrote:
>
>
> if (node == NUMA_NO_NODE)
> page = alloc_pages(flags, order);
> else
> page = __alloc_pages_node(node, flags, order);
>
> So yeah looks like SLUB's kmalloc_node() is supposed to behave like the
> page allocator's __alloc_pages_node() and respect __GFP_THISNODE but not
> enforce it by itself. There's probably just some missing data structure
> initialization somewhere right now for memoryless nodes.
Upon more digging, I think the problem could manifest if
node_to_mem_node(0) (_node_numa_mem_[0]) returned 0 instead of 1,
because it wasn't initialized properly for a memoryless node. Can you
e.g. print it somewhere?
next prev parent reply other threads:[~2020-02-26 22:31 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-18 10:45 [5.6.0-rc2-next-20200218/powerpc] Boot failure on POWER9 Sachin Sant
2020-02-18 10:50 ` Kirill Tkhai
2020-02-18 11:01 ` Kirill Tkhai
2020-02-18 11:35 ` Kirill Tkhai
2020-02-18 11:40 ` Sachin Sant
2020-02-18 11:55 ` Michal Hocko
2020-02-18 14:00 ` Sachin Sant
2020-02-18 14:26 ` Michal Hocko
2020-02-18 15:11 ` Sachin Sant
2020-02-18 15:24 ` Michal Hocko
2020-02-22 3:38 ` Christopher Lameter
2020-02-24 8:58 ` Michal Hocko
2020-02-26 18:25 ` Christopher Lameter
2020-02-26 18:41 ` Michal Hocko
2020-02-26 18:44 ` Christopher Lameter
2020-02-26 19:01 ` Michal Hocko
2020-02-26 20:31 ` David Rientjes
2020-02-26 20:52 ` Michal Hocko
2020-02-26 21:45 ` Vlastimil Babka
2020-02-26 22:29 ` Vlastimil Babka [this message]
2020-02-27 12:12 ` Michal Hocko
2020-02-27 16:00 ` Sachin Sant
2020-02-27 16:16 ` Vlastimil Babka
2020-02-27 18:26 ` Michal Hocko
2020-03-10 15:01 ` Michal Hocko
2020-03-12 12:18 ` Michael Ellerman
2020-03-12 16:51 ` Sachin Sant
2020-03-13 10:48 ` Michael Ellerman
2020-03-13 11:12 ` Srikar Dronamraju
2020-03-13 11:35 ` Vlastimil Babka
2020-03-14 8:10 ` Sachin Sant
2020-02-27 12:02 ` Michal Hocko
2020-02-18 11:38 ` Sachin Sant
2020-02-18 11:53 ` Kirill Tkhai
2020-03-17 13:17 ` [PATCH 0/4] Fix kmalloc_node on offline nodes Srikar Dronamraju
2020-03-17 13:17 ` [PATCH 1/4] mm: Check for node_online in node_present_pages Srikar Dronamraju
2020-03-17 13:37 ` Srikar Dronamraju
2020-03-17 13:17 ` [PATCH 2/4] mm/slub: Use mem_node to allocate a new slab Srikar Dronamraju
2020-03-17 13:34 ` Vlastimil Babka
2020-03-17 13:45 ` Srikar Dronamraju
2020-03-17 13:53 ` Vlastimil Babka
2020-03-17 14:51 ` Srikar Dronamraju
2020-03-17 15:29 ` Vlastimil Babka
2020-03-18 7:29 ` Srikar Dronamraju
2020-03-17 16:41 ` Srikar Dronamraju
2020-03-17 13:17 ` [PATCH 3/4] mm: Implement reset_numa_mem Srikar Dronamraju
2020-03-17 13:17 ` [PATCH 4/4] powerpc/numa: Set fallback nodes for offline nodes Srikar Dronamraju
2020-03-17 14:22 ` Bharata B Rao
2020-03-17 14:29 ` Srikar Dronamraju
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