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From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Andrew Morton <akpm@linux-foundation.org>,
	Mike Kravetz <mike.kravetz@oracle.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
	Xiongchun Duan <duanxiongchun@bytedance.com>,
	Barry Song <21cnbao@gmail.com>,
	David Rientjes <rientjes@google.com>,
	Miaohe Lin <linmiaohe@huawei.com>,
	Matthew Wilcox <willy@infradead.org>,
	linux-mm@kvack.org, Naoya Horiguchi <naoya.horiguchi@linux.dev>,
	Joao Martins <joao.m.martins@oracle.com>,
	David Hildenbrand <david@redhat.com>,
	Michal Hocko <mhocko@suse.com>,
	Oscar Salvador <osalvador@suse.de>,
	linux-kernel@vger.kernel.org,
	Usama Arif <usama.arif@bytedance.com>
Subject: Re: [PATCH v6 2/8] hugetlb: restructure pool allocations
Date: Tue, 10 Oct 2023 23:30:48 +0200	[thread overview]
Message-ID: <6f381d4c-d908-4f00-89b3-ed3bcb26b143@linaro.org> (raw)
In-Reply-To: <20231009170710.b52f5a6e57c23d5caecce8ab@linux-foundation.org>



On 10/10/23 02:07, Andrew Morton wrote:
> On Mon, 9 Oct 2023 08:15:13 -0700 Mike Kravetz <mike.kravetz@oracle.com> wrote:
> 
>>> This should also be empty and a noop.
>>>
>>> Is it possible that the misaligned kernel image could make these lists
>>> appear as non-empty?
>>
>> Actually, just saw this:
>>
>> https://lore.kernel.org/linux-mm/20231009145605.2150897-1-usama.arif@bytedance.com/
>>
>> Will take a look, although as mentioned above prep_and_add_bootmem_folios on
>> an empty list should be a noop.
> 
> Konrad, are you able to test Usama's patch?  Thanks.
I legitimately spent a sad amount of time trying to regain access to the 
remote board farm. Previously I could hit the bug on SM8550, but now I 
can't do it on SM8450, SM8350 and SM8250 (previous gens), with the same 
config.. I have no idea when I'll be able to get access to SM8550 again.

I did test it on the QCM6490 Fairphone 5 that I initially reported this 
on, and neither booting next-20231010 (with your patchset applied) nor 
adding the below patch on top of it seems to work. I can't get serial 
output from this device though to find out what it's unhappy about :/

Konrad


  reply	other threads:[~2023-10-10 21:30 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-25 23:48 [PATCH v6 0/8] Batch hugetlb vmemmap modification operations Mike Kravetz
2023-09-25 23:48 ` [PATCH v6 1/8] hugetlb: optimize update_and_free_pages_bulk to avoid lock cycles Mike Kravetz
2023-09-25 23:48 ` [PATCH v6 2/8] hugetlb: restructure pool allocations Mike Kravetz
2023-09-27 11:26   ` Konrad Dybcio
2023-09-29 20:57     ` Mike Kravetz
2023-10-02  9:57       ` Konrad Dybcio
2023-10-06  3:08         ` Mike Kravetz
2023-10-06 21:39           ` Konrad Dybcio
2023-10-06 22:35             ` Mike Kravetz
2023-10-09  3:29               ` Mike Kravetz
2023-10-09 10:11                 ` Konrad Dybcio
2023-10-09 15:04                   ` Mike Kravetz
2023-10-09 15:15                     ` Mike Kravetz
2023-10-09 21:09                       ` Konrad Dybcio
2023-10-10  1:26                         ` Mike Kravetz
2023-10-10  0:07                       ` Andrew Morton
2023-10-10 21:30                         ` Konrad Dybcio [this message]
2023-10-10 21:45                           ` Mike Kravetz
2023-10-11  9:36                             ` Konrad Dybcio
2023-10-09 21:09                     ` Konrad Dybcio
2023-10-07  1:51             ` Jane Chu
2023-10-09 10:13               ` Konrad Dybcio
2023-09-25 23:48 ` [PATCH v6 3/8] hugetlb: perform vmemmap optimization on a list of pages Mike Kravetz
2023-09-25 23:48 ` [PATCH v6 4/8] hugetlb: perform vmemmap restoration " Mike Kravetz
2023-09-26  2:27   ` Muchun Song
2023-09-29 22:10   ` Mike Kravetz
2023-09-25 23:48 ` [PATCH v6 5/8] hugetlb: batch freeing of vmemmap pages Mike Kravetz
2023-09-25 23:48 ` [PATCH v6 6/8] hugetlb: batch PMD split for bulk vmemmap dedup Mike Kravetz
2023-09-25 23:48 ` [PATCH v6 7/8] hugetlb: batch TLB flushes when freeing vmemmap Mike Kravetz
2023-09-25 23:48 ` [PATCH v6 8/8] hugetlb: batch TLB flushes when restoring vmemmap Mike Kravetz
2023-09-26  2:20   ` Muchun Song

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