Messages in this thread | | | Date | Tue, 31 May 2022 13:40:39 +0800 | From | Muchun Song <> | Subject | Re: [PATCH] mm: page_isolation: use compound_nr() correctly in isolate_single_pageblock() |
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On Mon, May 30, 2022 at 10:44:50PM -0400, Zi Yan wrote: > From: Zi Yan <ziy@nvidia.com> > > When compound_nr(page) was used, page was not guaranteed to be the head > of the compound page and it could cause an infinite loop. Fix it by calling > it on the head page. > > Fixes: b2c9e2fbba32 ("mm: make alloc_contig_range work at pageblock granularity") > Reported-by: Anshuman Khandual <anshuman.khandual@arm.com> > Link: https://lore.kernel.org/linux-mm/20220530115027.123341-1-anshuman.khandual@arm.com/ > Signed-off-by: Zi Yan <ziy@nvidia.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Thanks.
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