Messages in this thread | | | Date | Thu, 16 Apr 2020 21:41:45 -0700 | From | Andrew Morton <> | Subject | Re: [PATCHv4 4/8] khugepaged: Drain LRU add pagevec after swapin |
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On Thu, 16 Apr 2020 19:00:22 +0300 "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> wrote:
> __collapse_huge_page_isolate() may fail due to extra pin in the LRU add > pagevec. It's pretty common for swapin case: we swap in pages just to > fail due to the extra pin. > > Drain LRU add pagevec on successful swapin.
I don't see how this patch can do anything to prevent __collapse_huge_page_isolate() from failing, which is what the changelog implies.
Can we have a more detailed changelog, please?
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