Messages in this thread | | | Date | Tue, 16 Oct 2018 16:16:43 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 1/2] mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings |
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On Tue, 16 Oct 2018 19:11:49 -0400 Andrea Arcangeli <aarcange@redhat.com> wrote:
> This was a severe regression > compared to previous kernels that made important workloads unusable > and it starts when __GFP_THISNODE was added to THP allocations under > MADV_HUGEPAGE. It is not a significant risk to go to the previous > behavior before __GFP_THISNODE was added, it worked like that for > years.
5265047ac301 ("mm, thp: really limit transparent hugepage allocation to local node") was April 2015. That's a long time for a "severe regression" to go unnoticed?
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