Messages in this thread | | | Date | Tue, 30 Oct 2018 09:15:37 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH v3] mm/page_owner: use kvmalloc instead of kmalloc |
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On Tue 30-10-18 14:55:51, Miles Chen wrote: [...] > It's a real problem when using page_owner. > I found this issue recently: I'm not able to read page_owner information > during a overnight test. (error: read failed: Out of memory). I replace > kmalloc() with vmalloc() and it worked well.
Is this with trimming the allocation to a single page and doing shorter than requested reads? -- Michal Hocko SUSE Labs
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